人教版初中九年级数学上册公式法解一元二次方程综合练习题32.docx
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人教版初中九年级数学上册公式法解一元二次方程综合练习题32
x2+8x+5=04x2-3
x-2=0
4x2+6x-7=0x2-3x=13
3x2-9x=x+9x2+3x+3=0
3x2-9x-4=03x2+7x=0
x2+5x+10=2x-4x(3x-5)=8+4x
x2+10x-3=03x2-4
x+1=0
3x2+6x+2=0x2-10x=17
4x2+7x=x-8x2+10x+7=0
3x2+7x-8=03x2+4x=0
x2-2x-4=9x+3x(4x+2)=3-5x
x2+2x-7=04x2-2
x+5=0
4x2-2x+10=0x2-10x=11
3x2-2x=x+3x2-3x+5=0
2x2+6x+9=04x2-4x=0
x2-3x+1=8x+6x(4x-2)=6-9x
x2-2x-5=03x2+3
x+10=0
3x2-9x-3=0x2+8x=2
2x2-8x=x-10x2-7x-10=0
3x2-4x-10=04x2+2x=0
x2+10x-2=8x+10x(2x-1)=8-9x
x2-7x+2=04x2+4
x+4=0
3x2-5x+8=0x2+10x=11
3x2-6x=x-2x2+2x-1=0
2x2+6x-7=08x2-9x=0
x2-8x-1=6x+5x(2x-4)=2+2x
x2+4x-9=04x2+4
x-1=0
2x2-9x+8=0x2+10x=5
2x2-3x=x-6x2-9x-9=0
3x2-3x+10=04x2+4x=0
x2+10x+3=5x+2x(2x+2)=6+4x
x2+8x+4=02x2-2
x+4=0
2x2-10x-10=0x2-2x=4
2x2-8x=x-3x2-10x+4=0
3x2+8x+9=08x2-5x=0
x2-10x-2=4x-9x(2x-2)=2+9x
x2-7x-5=04x2+4
x-8=0
3x2-9x+4=0x2-10x=16
2x2-7x=x-9x2+10x-4=0
4x2-2x-10=05x2+5x=0
x2+3x+5=6x-1x(2x+5)=8+4x
x2-8x-8=03x2-3
x-9=0
2x2+5x+9=0x2+8x=15
4x2+8x=x+10x2-7x+6=0
3x2-2x+6=05x2+9x=0
x2+7x-3=4x-3x(4x-3)=4+8x
x2-9x-3=04x2-3
x+1=0
2x2+2x+9=0x2-6x=18
3x2-5x=x-3x2+5x-9=0
3x2-5x+1=07x2+6x=0
x2+9x+2=7x+6x(4x-4)=7+2x
x2-6x+6=02x2-2
x-6=0
4x2-9x+9=0x2-5x=18
3x2-10x=x+4x2+6x-1=0
2x2-3x-5=06x2-2x=0
x2-9x+2=4x+10x(4x-1)=6+9x
x2+10x-7=02x2-4
x+6=0
2x2+4x-8=0x2+6x=17
2x2-8x=x-3x2-10x+3=0
4x2-7x-2=05x2-8x=0
x2+7x+8=6x-2x(2x-4)=1-9x
x2+10x+1=02x2+3
x+1=0
4x2+8x+10=0x2+5x=19
4x2-6x=x-7x2+8x+1=0
3x2-6x-3=02x2+8x=0
x2-2x+1=6x-2x(4x+5)=6+8x
x2-6x-8=02x2+3
x-4=0
3x2+3x-2=0x2-10x=17
4x2+6x=x+5x2+9x+8=0
2x2-7x-5=04x2-4x=0
x2+2x-6=3x+3x(2x+2)=2-5x
x2+7x-10=02x2+2
x+3=0
4x2-10x-8=0x2+5x=1
2x2-2x=x-7x2-3x+5=0
2x2-10x+2=04x2+3x=0
x2-9x+4=7x+2x(3x-5)=4-4x
x2+3x+6=04x2+2
x-2=0
4x2-7x-1=0x2+3x=12
2x2-4x=x-3x2+9x-10=0
4x2+5x-7=07x2-8x=0
x2+3x+8=7x+5x(3x-1)=8+3x
x2-6x-8=04x2-2
x+2=0
3x2-4x+6=0x2+2x=9
3x2+3x=x-1x2+3x+10=0
3x2-2x+10=02x2-8x=0
x2-3x-7=4x+9x(2x-2)=7-7x
x2-4x-10=02x2-3
x-3=0
3x2-9x-1=0x2+4x=17
3x2+9x=x+6x2-4x+2=0
2x2+10x+6=08x2+5x=0
x2-8x+3=9x+4x(2x-4)=6-6x
x2+6x+6=04x2-2
x-7=0
4x2+10x-7=0x2-10x=11
3x2-9x=x+9x2+4x-2=0
4x2+6x+1=02x2-3x=0
x2-2x+7=7x+7x(4x-3)=3+2x
x2+6x-4=03x2+3
x+5=0
3x2-6x-8=0x2+10x=7
2x2-4x=x-1x2+9x-1=0
4x2-6x-4=02x2-7x=0
x2+2x-10=2x-2x(2x-5)=5+6x
x2-5x+7=03x2+4
x+8=0
3x2-7x+9=0x2-10x=8
3x2+10x=x+2x2-8x+2=0
3x2+7x+3=07x2+6x=0
x2+7x+6=9x+1x(3x-2)=2+8x
x2-9x-6=02x2-2
x-9=0
3x2-3x+7=0x2+7x=11
2x2+10x=x-2x2+3x-1=0
3x2+10x+9=08x2-9x=0
x2-9x-10=9x+4x(3x-3)=6-5x
x2-9x+10=04x2+2
x-8=0
4x2-9x+2=0x2-3x=14
4x2+2x=x-2x2+5x+10=0
2x2+6x-4=06x2-8x=0
x2-8x-4=9x-9x(2x-5)=6+2x
x2+2x+6=04x2+4
x+7=0
2x2+6x+1=0x2-9x=5
4x2+5x=x+10x2+9x-6=0
4x2+10x-6=05x2-6x=0
x2+2x+8=8x+4x(2x-2)=3+7x
x2+2x-3=04x2+3
x-9=0
2x2+6x+5=0x2+9x=17
4x2+8x=x+3x2+3x+8=0
3x2+7x+1=03x2-3x=0
x2+10x+10=2x-1x(3x+3)=9-5x
x2-8x+10=03x2+3
x-3=0
3x2-6x-3=0x2+4x=6
2x2+8x=x-7x2+5x+3=0
2x2-5x+1=06x2-8x=0
x2-7x+10=5x-6x(3x+4)=4-9x
x2+3x-5=04x2-3
x+10=0
4x2+10x-10=0x2+3x=9
2x2+2x=x-8x2-3x+8=0
2x2-9x-6=04x2-5x=0
x2+9x-1=8x+7x(3x-3)=6+9x
x2-3x+1=04x2-4
x+6=0
3x2-9x-6=0x2+6x=10
4x2+9x=x+10x2-6x+8=0
4x2+7x+3=07x2-5x=0
x2-9x+4=2x+6x(3x-1)=8-9x
x2-6x+4=02x2+2
x+1=0
2x2-6x-8=0x2+4x=5
2x2+8x=x+5x2+9x-1=0
2x2+10x-8=06x2-4x=0
x2-9x+7=9x+9x(2x-3)=2-7x
x2+2x+8=03x2-2
x+5=0
2x2+6x+4=0x2+6x=13
3x2-4x=x-10x2+10x-1=0
3x2-4x-3=03x2-8x=0
x2+7x-4=8x+10x(2x+3)=2-5x
x2-4x+10=03x2+2
x-6=0
3x2+4x-9=0x2+3x=18
4x2-4x=x-10x2+5x+6=0
3x2-3x+7=06x2+8x=0
x2-4x-4=9x-4x(3x-3)=8+5x
x2+5x+3=04x2+3
x-8=0
3x2-6x-2=0x2+9x=18
2x2+8x=x-7x2+9x+2=0
2x2+2x+5=02x2+3x=0
x2+9x-5=9x+6x(2x-1)=1+8x
x2+2x+10=04x2-2
x+10=0
4x2+3x-5=0x2-2x=20
2x2+8x=x+8x2-6x+8=0
4x2-7x+1=05x2-2x=0
x2+10x-7=7x-8x(3x+4)=9+2x
x2+4x-3=02x2+3
x+1=0
2x2+9x-4=0x2-8x=15
4x2-9x=x-4x2+3x+8=0
2x2+5x-6=03x2+10x=0
x2-9x+7=4x+9x(4x-4)=5+4x
x2-7x+10=03x2+2
x-4=0
4x2-6x-2=0x2+5x=3
2x2-5x=x-6x2-8x+1=0
3x2-9x+8=04x2+2x=0
x2+4x+6=5x+2x(3x-5)=2+5x
x2-3x-2=02x2+2
x+4=0
2x2+6x-9=0x2+5x=2
4x2-3x=x-7x2-4x+10=0
3x2-10x+6=02x2+7x=0
x2-3x+9=9x-8x(2x+2)=8+2x
x2+7x-9=04x2-4
x-8=0
4x2-5x+7=0x2+6x=16
2x2-2x=x-2x2+8x+1=0
3x2+3x+2=08x2+5x=0
x2-6x-8=4x+1x(4x-5)=1+3x
x2-7x+5=02x2-4
x+10=0
4x2+7x-8=0x2-9x=17
4x2+2x=x+5x2+6x-2=0
4x2+8x-7=09x2+3x=0
x2-10x-2=7x-7x(2x-4)=7+4x
x2+10x-6=02x2+3
x+1=0
4x2+5x-10=0x2-9x=4
3x2+10x=x+5x2-4x+4=0
4x2-8x-10=06x2-5x=0
x2-6x-3=4x+1x(3x+2)=1+6x
x2-3x+7=03x2+4
x-10=0
2x2+8x+3=0x2-6x=12
4x2-6x=x-1x2-4x-3=0
3x2+6x+4=05x2-6x=0
x2+2x+1=4x-3x(4x-5)=2+3x
x2+5x-4=04x2-3
x+2=0
3x2+9x+3=0x2-9x=5
4x2-6x=x+6x2-5x+9=0
3x2-9x+2=05x2+8x=0
x2-4x-2=3x-4x(4x-1)=6-8x
x2-4x-10=04x2+3
x+8=0
4x2+9x-10=0x2-6x=4
2x2-6x=x+6x2+6x-2=0
4x2+3x-1=09x2+4x=0
x2+8x-8=3x-2x(2x-5)=8-6x
x2+8x-2=03x2-3
x-4=0
2x2-7x-6=0x2-7x=15
4x2-9x=x-6x2+9x+8=0
4x2+10x+9=02x2+7x=0
x2+9x-7=4x-4x(2x-1)=2+4x
x2+5x+10=02x2+3
x+6=0
4x2+5x-9=0x2+2x=15
4x2-7x=x+4x2+4x-7=0
3x2-9x-2=03x2+5x=0
x2-3x-8=8x-10x(4x-4)=7-6x
x2+10x+6=04x2-3
x-10=0
4x2-6x-4=0x2+5x=14
4x2-9x=x-10x2-2x+8=0
4x2+2x-2=04x2-2x=0
x2-8x-6=8x+2x(2x+3)=9-4x
x2-3x+10=02x2-3
x+6=0
2x2-6x+7=0x2-4x=2
4x2-9x=x+4x2+4x-1=0
3x2+4x+7=08x2-6x=0
x2-6x-8=9x-2x(4x-2)=9-4x
x2+3x-4=03x2+2
x+10=0
2x2+3x-2=0x2-8x=13
4x2-10x=x-3x2-9x-5=0
4x2+3x-1=06x2-8x=0
x2+2x-7=9x-4x(3x-4)=4-4x
x2-8x-10=03x2-4
x+4=0
4x2+5x-6=0x2-7x=4
4x2-3x=x-7x2+2x-9=0
2x2-8x-3=07x2-2x=0
x2+4x+9=4x-5x(3x+1)=3-4x
x2-6x-10=03x2+3
x+2=0
2x2-9x+8=0x2-2x=20
4x2+9x=x+1x2+10x-8=0
3x2+2x-7=07x2+5x=0
x2-7x-4=5x+1x(3x+5)=7+8x
x2-9x+7=02x2-4
x-4=0
4x2-5x+5=0x2+2x=3
3x2-3x=x-8x2-7x-4=0
4x2+4x-8=03x2+8x=0
x2+3x-6=7x+10x(2x-5)=4-4x