人教版初三数学上册一元二次方程专项练习题57文档格式.docx
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(x+7)2-1=0x2+14x+49=49x2+6=6
x2-8=5x2x2+7x=54(9x-9)(x+6)=0
8x(x-9)=278x(x+3)=08x(x-9)=5x-4
(3x+3)(x-6)=x(8x+4)9x2-3=6xx(x-2)=2
x2-3=0x2-1=4(x+8)2-8=0
(x+4)2-5=0x2+8x+16=28x2+1=9
x2+4=7xx2-2x=51(3x+9)(x-5)=0
x(x-7)=173x(x+6)=0x(x+4)=4x+4
(4x+2)(x-4)=x(5x-5)4x2-6=5xx(x-5)=11
7x2-3=0x2-9=3(x+3)2-9=0
(x-8)2-1=0x2+14x+49=27x2+4=6
3x2-6=3xx2-2x=28(6x+8)(x-8)=0
5x(x-9)=16x(x+6)=0x(x+9)=7x+1
(8x+9)(x+1)=x(3x+3)4x2+9=9x9x(x-6)=24
x2-7=0x2-1=2(x+9)2-3=0
3(x+1)2-1=0x2+2x+1=84x2+8=4
x2+8=7x7x2+8x=56(4x+5)(x+3)=0
x(x-9)=237x(x+9)=02x(x+9)=5x-1
(9x+9)(x-6)=x(6x+5)9x2-3=8x9x(x+8)=25
x2-8=0x2-3=7(x+2)2-7=0
(x+9)2-4=0x2-8x+16=27x2+5=5
4x2+5=3x3x2-2x=85(9x+3)(x-9)=0
5x(x-2)=16x(x-7)=0x(x-3)=5x+6
(7x+9)(x-6)=x(8x-2)9x2-7=6x8x(x+6)=26
x2-2=05x2-7=7(x+8)2-3=0
(x+4)2-9=0x2-14x+49=9x2-7=5
x2-8=9xx2-6x=99(6x+9)(x-1)=0
5x(x+5)=116x(x-2)=08x(x-5)=8x+4
(6x+9)(x-8)=x(8x-1)6x2+1=7xx(x-9)=24
x2-1=03x2-1=6(x+7)2-6=0
8(x-5)2-3=0x2-4x+4=8x2+5=8
8x2-5=4x4x2+7x=48(2x-8)(x+6)=0
x(x-2)=202x(x-9)=08x(x+7)=6x+7
(8x+3)(x-9)=x(2x-3)x2-4=6x8x(x-8)=6
2x2-6=0x2-7=4(x+4)2-6=0
(x+2)2-9=0x2+6x+9=88x2+1=4
6x2-8=9xx2-9x=69(5x-9)(x-7)=0
5x(x+3)=283x(x+4)=05x(x-8)=2x+7
(4x+8)(x+6)=x(4x-5)9x2+7=7x9x(x+5)=22
3x2-3=09x2-8=0(x+1)2-5=0
(x+4)2-1=0x2+12x+36=67x2-1=3
9x2+7=4xx2+2x=73(6x-8)(x-7)=0
3x(x-3)=265x(x-6)=0x(x-3)=5x-4
(2x-2)(x-6)=x(4x-5)5x2+4=3x4x(x-4)=3
4x2-1=07x2-8=9(x+4)2-3=0
7(x-7)2-2=0x2+16x+64=3x2-1=8
7x2-7=5x3x2-6x=13(8x-6)(x+9)=0
x(x+2)=7x(x+4)=08x(x-2)=6x-5
(7x-3)(x-3)=x(2x+3)x2+4=9x9x(x-7)=2
4x2-4=08x2-3=9(x+8)2-4=0
3(x-8)2-2=0x2-6x+9=64x2-1=4
x2-4=5xx2+9x=3(6x-2)(x+9)=0
9x(x-3)=309x(x-1)=02x(x+8)=4x-8
(4x+3)(x+1)=x(8x+8)6x2+3=6x6x(x-1)=10
x2-3=0x2-2=6(x-9)2-7=0
3(x+3)2-4=0x2-2x+1=8x2+8=3
8x2-9=9xx2+8x=63(3x-9)(x-2)=0
3x(x-7)=13x(x-5)=0x(x+6)=8x+8
(2x+7)(x-9)=x(7x-2)x2-2=9x9x(x+2)=3
4x2-8=0x2-4=4(x+7)2-4=0
(x-3)2-4=0x2+4x+4=24x2+2=9
x2-9=3x3x2+6x=19(9x+5)(x+2)=0
x(x-5)=203x(x+5)=0x(x-1)=8x+6
(5x+1)(x-7)=x(7x+5)x2+9=2x6x(x+1)=4
x2-8=08x2-7=0(x+6)2-6=0
5(x+2)2-9=0x2+4x+4=2x2-8=6
x2-6=5x2x2+6x=91(7x-7)(x-7)=0
6x(x-6)=13x(x+3)=07x(x-2)=5x-8
(3x-7)(x-4)=x(9x+8)6x2+3=2x4x(x+7)=23
8x2-5=0x2-1=0(x-1)2-3=0
(x+8)2-9=0x2+2x+1=7x2+2=5
x2-6=3x9x2+8x=16(9x-8)(x-6)=0
5x(x-8)=204x(x-3)=07x(x+9)=9x-7
(2x-1)(x+4)=x(4x-8)x2-3=4xx(x-7)=2
x2-3=04x2-6=6(x-9)2-7=0
6(x+6)2-1=0x2+16x+64=6x2+6=8
x2+6=2x7x2-4x=11(2x-3)(x-7)=0
x(x-9)=3x(x-3)=0x(x+5)=6x-4
(8x-6)(x-3)=x(5x-3)9x2-8=9x9x(x+5)=25
9x2-9=08x2-3=8(x+2)2-7=0
(x+3)2-7=0x2-8x+16=4x2-9=7
一、将下列方程化成一元二次方程的一般形式,并