人教版初三数学上册一元二次方程专项练习题56文档格式.docx
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5x2-6=05x2-8=1(x-3)2-5=0
9(x+6)2-1=0x2-12x+36=5x2-7=9
x2+7=3xx2+1x=53(8x+8)(x-8)=0
3x(x+5)=24x(x-7)=0x(x+4)=8x-3
(9x-3)(x-5)=x(4x+6)3x2+3=4xx(x+2)=23
8x2-6=0x2-9=3(x+1)2-6=0
(x+8)2-9=0x2-2x+1=95x2-8=9
x2-8=2xx2+9x=90(2x+8)(x-1)=0
x(x+5)=135x(x+2)=03x(x-2)=3x-2
(8x+7)(x+7)=x(8x+1)6x2+4=4xx(x+1)=28
7x2-2=05x2-4=6(x+9)2-6=0
(x-9)2-3=0x2-6x+9=18x2+2=2
x2+6=6xx2-2x=64(2x+7)(x-5)=0
3x(x-1)=113x(x+4)=0x(x+7)=4x+9
(9x+7)(x+8)=x(9x-4)x2-1=8x7x(x-2)=27
x2-4=0x2-9=0(x-6)2-5=0
(x+6)2-6=0x2+12x+36=63x2+8=4
x2+4=5xx2+7x=80(6x-9)(x+7)=0
7x(x-9)=169x(x+9)=04x(x-3)=2x+5
(8x-2)(x-2)=x(2x+6)8x2-1=8x4x(x-2)=25
x2-8=0x2-9=4(x+9)2-8=0
(x-6)2-5=0x2-16x+64=19x2+3=2
x2+6=4xx2+8x=84(6x+3)(x-1)=0
x(x-9)=309x(x-2)=05x(x-4)=5x-8
(5x-6)(x+8)=x(3x+5)x2-8=4xx(x+3)=9
7x2-6=08x2-7=0(x+6)2-6=0
9(x-5)2-8=0x2-16x+64=19x2-4=7
x2+5=6xx2+3x=41(8x-6)(x-6)=0
x(x+1)=6x(x-9)=0x(x+3)=6x+5
(9x-2)(x+1)=x(4x-5)x2+6=7x3x(x+7)=19
8x2-2=0x2-2=4(x-9)2-2=0
5(x+1)2-2=0x2-10x+25=24x2-4=8
x2-1=6x9x2-1x=69(3x+4)(x-2)=0
9x(x+1)=22x(x+9)=0x(x-8)=7x-9
(5x+9)(x-1)=x(8x+2)6x2-5=6xx(x-1)=9
x2-8=0x2-3=9(x+5)2-7=0
(x+2)2-4=0x2-14x+49=22x2-6=5
5x2+3=6xx2+3x=94(7x-8)(x+5)=0
6x(x-4)=4x(x-7)=05x(x-6)=3x+4
(2x-1)(x-6)=x(9x-9)3x2+2=8x3x(x-3)=28
2x2-4=0x2-6=7(x+3)2-1=0
7(x+1)2-2=0x2-12x+36=1x2-1=9
4x2+2=5xx2+1x=68(3x-8)(x+7)=0
x(x-2)=174x(x-9)=03x(x-7)=6x+9
(7x+5)(x-7)=x(5x-1)x2+2=3xx(x+3)=16
x2-4=0x2-7=2(x+4)2-4=0
8(x+1)2-6=0x2-18x+81=78x2+6=3
x2-3=7xx2+1x=12(5x+5)(x-2)=0
x(x-1)=269x(x+8)=05x(x-2)=7x+1
(2x-6)(x+5)=x(7x-7)8x2+2=6x5x(x+6)=18
x2-1=0x2-2=6(x-8)2-9=0
(x-6)2-7=0x2-14x+49=6x2+2=9
x2-5=7x9x2+4x=6(9x+2)(x-8)=0
4x(x+6)=15x(x+3)=0x(x+3)=2x+8
(5x+3)(x-5)=x(7x+2)5x2+9=5x9x(x+3)=12
7x2-2=04x2-7=3(x+2)2-5=0
2(x+9)2-8=0x2-14x+49=2x2+1=3
x2-1=9x6x2+1x=43(5x+5)(x+8)=0
2x(x+7)=229x(x+5)=03x(x-1)=6x-4
(6x-9)(x-8)=x(8x+1)x2+2=4xx(x+7)=21
x2-7=07x2-1=2(x+1)2-6=0
(x+9)2-1=0x2-18x+81=37x2+2=4
x2-4=5x9x2+3x=26(2x-1)(x-6)=0
x(x-8)=35x(x+2)=06x(x+4)=4x-9
(7x-3)(x-9)=x(8x-5)x2-9=9xx(x-8)=7
x2-1=04x2-4=7(x-3)2-7=0
(x-4)2-6=0x2+16x+64=4x2-7=2
9x2-8=3xx2-5x=25(8x+9)(x-9)=0
x(x+7)=206x(x-3)=0x(x-3)=6x-9
(3x+2)(x-1)=x(2x+9)x2+3=6xx(x-2)=15
6x2-5=0x2-2=1(x-1)2-6=0
3(x+7)2-7=0x2-10x+25=1x2-6=7
5x2-9=8xx2-5x=91(3x-2)(x+9)=0
2x(x-1)=28x(x-7)=04x(x-9)=3x-8
(4x-9)(x+2)=x(7x-5)5x2+3=8xx(x+1)=10
5x2-4=06x2-4=2(x+9)2-2=0
5(x+7)2-1=0x2-6x+9=54x2+7=6
2x2-6=5xx2+4x=55(7x-3)(x-9)=0
7x(x-4)=232x(x+5)=0x(x-1)=8x-9
(7x-6)(x+7)=x(6x+2)3x2+7=4x6x(x-7)=28
x2-4=0x2-1=7(x+8)2-5=0
9(x-4)2-5=0x2+10x+25=16x2-5=3
5x2+2=7x5x2+3x=21(3x+1)(x-1)=0
x(x-4)=30x(x+4)=0x(x-8)=2x-3
(4x+8)(x-9)=x(4x+3)3x2+4=9x5x(x-9)=7
x2-7=0x2-8=4(x-9)2-4=0
3(x-2)2-9=0x2+18x+81=16x2-3=9
7x2-5=2xx2-3x=51(4x-9)(x+5)=0
3x(x-6)=12x(x-7)=09x(x+5)=5x-4
(7x+1)(x+9)=x(6x-3)3x2-9=7x3x(x+2)=18
5x2-5=0x2-5=7(x-9)2-2=0
(x-7)2-9=0x2+8x+16=14x2+5=5
5x2-2=3xx2-1x=7(3x-4)(x+8)=0
x(x-4)=7x(x-6)=03x(x-7)=4x-6
(4x-9)(x-8)=x(7x+3)x2-1=2x8x(x+5)=9
x2-5=0x2-4=5(x+9)2-6=0
2(x-8)2-8=0x2-16x+64=13x2-5=7
5x2-6=9xx2-3x=80(3x+8)(x-6)=0
x(x+9)=5x(x+5)=06x(x-9)=5x+4
(7x-7)(x-2)=x(9x+7)7x2-1=8x5x(x-7)=12
4x2-4=03x2-1=7(x-9)2-9=0
7(x+3)2-9=0x2+12x+36=5x2-2=6
6x2+4=8xx2-9x=92(9x+4)(x-7)=0
9x(x-8)=93x(x-8)=07x(x-4)=7x-9
(4x+8)(x-6)=x(8x-7)x2+7=3xx(x-4)=2
x2-2=08x2-2=7(x-7)2-9=0
6(x+5)2-9=0x2+8x+16=32x2-7=2
2x2+2=7x2x2-4x=81(6x+1)(x+7)=0
x(x+5)=6x(x+5)=05x(x+1)=2x-1
(5x+5)(x-7)=x(9x-6)x2-8=5xx(x-6)=18
5x2-1=09x2-7=6(x-3)2-7=0
(x-6)2-4=0x2-12x+36=59x2-7=9
x2-9=5x7x2+2x=90(4x+5)(x-6)=0
7x(x-4)=185x(x+1)=0x(x+2)=5x+3
(9x-8)(x+6)=x(4x-3)3x2-3=2xx(x-7)=20
9x2-3=05x2-5=0(x+2)2-7=0
(x-7)2-1=0x2-12x+36=76x2-1=2
x2+6=4x3x2-2x=78(4x-7)(x+8)=0
5x(x+3)=45x(x+7)=09x(x+1)=8x+9
(5x+4)(x+9)=x(7x-8)x2-3=6x7x(x+1)=14
x2-7=0x2-1=1(x-2)2-7=0
(x-9)2-1=0x2-16x+64=44x2-7=3
x2-3=2xx2-7x=86(2x-3)(x+9)=0
6x(x-9)=92x(x+5)=07x(x-3)=2x-3
(9x+4)(x-9)=x(5x+5)8x2-4=6x4x(x+7)=24
x2-2=05x2-1=6(x+7)2-4=0
2(x+3)2-8=0x2+16x+64=43x2-7=7
5x2+1=9x4x2-7x=45(9x-2)(x-9)=0
5x(x-7)=17x(x+8)=0x(x-4)=4x-8
(4x+7)(x+7)=x(9x-2)7x2+2=5xx(x+9)=18
x2-2=03x2-4=9(x-7)2-7=0
(x-6)2-8=0x2-6x+9=6x2+9=8
3x2+2=8x9x2+8x=90(7x+8)(x+7)=0
9x(x-1)=59x(x-6)=06x(x-7)=7x+1
(8x+2)(x+9)=x(7x+9)x2+2=8x8x(x+8)=18
7x2-3=03x2-4=6(x+5)2-6=0
(x+3)2-1=0x2+10x+25=5x2+1=9
5x2+7=2xx2+3x=14(4x-5)(x+1)=0
2x(x+2)=11x(x-8)=0x(x+7)=2x-1
(2x+1)(x-5)=x(2x-6)6x2+8=9xx(x+3)=13
x2-3=0x2-3=5(x-2)2-3=0
(x-6)2-3=0x2-12x+36=9x2-1=6
5x2+1=3xx2+6x=33(3x+9)(x-2)=0
x(x+5)=8x(x+4)=02x(x+4)=9x+2
(4x+1)(x-8)=x(6x+9)x2-6=6xx(x+7)=5
8x2-8=0x2-8=1(x+6)2-5=0
6(x-1)2-2=0x2-4x+4=3x2+2=7
8x2-9=8xx2-6x=38(3x+5)(x-3)=0
3x(x-9)=273x(x+9)=07x(x+6)=5x+5
(7x+8)(x+7)=x(9x+5)x2+6=2x9x(x+2)=29
5x2-7=03x2-7=9(x-3)2-3=0
9(x+6)2-6=0x2+4x+4=5x2+2=8
5x2+8=7xx2+4x=62(7x-3)(x-3)=0
x(x+1)=29x(x+6)=0x(x+2)=3x-1
(5x+2)(x-2)=x(7x-8)x2-8=8xx(x+1)=9
3x2-7=08x2-1=3(x-1)2-6=0
(x-5)2-4=0x2+2x+1=2x2-5=3
3x2+5=3x