九年级数学上册一元二次方程150Word文档格式.docx
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x(x-4)=306x(x+9)=04x(x-9)=4x-2
(2x-7)(x-9)=x(7x+6)x2+6=4xx(x-2)=19
x2-7=0x2-3=2(x-7)2-7=0
7(x+4)2-8=0x2-12x+36=8x2+4=5
x2-6=7xx2-1x=15(2x-1)(x-3)=0
x(x+6)=215x(x-3)=0x(x-1)=8x+3
(2x+9)(x-1)=x(9x+7)9x2-4=8xx(x-8)=23
7x2-3=08x2-8=3(x+8)2-2=0
(x-9)2-3=0x2+12x+36=95x2-6=8
x2-4=7xx2-2x=70(8x-8)(x+8)=0
8x(x-3)=224x(x-4)=04x(x-3)=4x-4
(2x+4)(x+8)=x(9x+4)7x2-2=8x4x(x+9)=23
4x2-3=09x2-1=3(x+7)2-5=0
4(x-2)2-7=0x2+14x+49=98x2+1=9
x2-6=6xx2+3x=86(3x-6)(x+1)=0
8x(x-3)=99x(x-3)=0x(x+8)=5x-3
(9x+2)(x-6)=x(9x-1)6x2-4=9xx(x-4)=2
x2-4=0x2-9=1(x-4)2-1=0
3(x-9)2-1=0x2-8x+16=66x2-1=6
9x2+8=7xx2-7x=90(7x+2)(x-5)=0
x(x-1)=26x(x+3)=07x(x+2)=2x-4
(5x-4)(x-7)=x(8x-6)x2+3=6x5x(x+2)=7
x2-4=0x2-5=7(x+8)2-5=0
(x+1)2-8=0x2+10x+25=14x2-7=9
x2-8=2xx2-7x=41(3x-7)(x-5)=0
3x(x-3)=10x(x+5)=08x(x-5)=6x-9
(4x-9)(x+8)=x(9x+1)x2+7=6xx(x+2)=26
6x2-2=06x2-5=3(x-7)2-1=0
(x-2)2-3=0x2+14x+49=82x2+7=5
8x2+3=7xx2+3x=47(2x+1)(x+4)=0
5x(x+9)=154x(x+3)=05x(x-3)=2x+1
(6x+2)(x-1)=x(3x+6)x2+1=8x9x(x-5)=18
2x2-7=0x2-9=2(x+5)2-5=0
9(x-5)2-9=0x2-14x+49=1x2+8=6
x2+2=8xx2+7x=84(5x-8)(x+4)=0
x(x+7)=214x(x+7)=06x(x+9)=9x-6
(5x+6)(x+3)=x(9x+7)8x2-2=3x8x(x-3)=14
7x2-7=07x2-8=7(x-4)2-5=0
6(x-2)2-7=0x2+10x+25=6x2+4=7
9x2+8=9xx2+1x=16(5x+2)(x+2)=0
x(x-6)=179x(x-8)=06x(x-8)=8x-2
(3x+2)(x-1)=x(8x-4)7x2+5=7xx(x-3)=10
x2-9=0x2-2=5(x-4)2-2=0
(x-2)2-5=0x2+18x+81=77x2-4=9
x2-3=9x4x2+3x=71(3x-6)(x+5)=0
x(x+1)=24x(x+1)=0x(x-5)=2x-6
(9x-9)(x-2)=x(7x+9)2x2-8=3xx(x-6)=9
x2-7=0x2-7=4(x+3)2-1=0
7(x+6)2-2=0x2-18x+81=7x2+4=6
5x2+8=5xx2+9x=65(8x+5)(x+5)=0
x(x-5)=13x(x+5)=09x(x-8)=9x-1
(7x-6)(x-9)=x(5x+8)x2+9=2x8x(x+1)=22
2x2-6=0x2-8=5(x+4)2-3=0
(x+3)2-1=0x2+2x+1=6x2+2=2
3x2-7=6x2x2-5x=69(6x-9)(x+3)=0
9x(x+4)=14x(x+3)=06x(x+1)=8x+2
(2x+9)(x-6)=x(8x+8)9x2-9=9xx(x+9)=9
5x2-8=0x2-5=6(x-4)2-6=0
(x-7)2-2=0x2+2x+1=9x2-3=7
8x2+7=6xx2+7x=97(9x-4)(x-2)=0
x(x-5)=262x(x-8)=0x(x+3)=7x-5
(4x-6)(x+7)=x(7x+2)x2-9=4x2x(x-5)=10
7x2-6=04x2-8=0(x+4)2-6=0
4(x-8)2-8=0x2-8x+16=62x2+7=3
2x2-1=9x5x2+2x=73(4x+5)(x+9)=0
6x(x+8)=12x(x-5)=04x(x+1)=6x+5
(7x+3)(x+4)=x(8x-1)4x2+1=9x9x(x-3)=21
x2-8=04x2-5=9(x-5)2-4=0
(x+6)2-7=0x2+10x+25=45x2+7=4
4x2+9=9x3x2+1x=62(6x+2)(x-2)=0
x(x+5)=196x(x-9)=03x(x+8)=5x-5
(4x-7)(x+1)=x(6x-2)5x2-1=6xx(x-4)=5
7x2-8=0x2-7=5(x+2)2-2=0
(x-8)2-3=0x2-12x+36=7x2-8=5
x2-9=5x3x2+8x=35(8x+5)(x+6)=0
8x(x+3)=73x(x-4)=0x(x-5)=3x+6
(4x-9)(x-1)=x(2x-9)2x2-2=4xx(x+1)=29
x2-7=06x2-5=5(x+2)2-5=0
(x-7)2-2=0x2+18x+81=4x2-9=3
x2-7=7xx2-8x=1(6x+5)(x-4)=0
x(x-2)=37x(x-4)=0x(x-4)=6x-3
(9x-8)(x-7)=x(4x-9)x2-8=2x6x(x+9)=17
6x2-9=0x2-6=4(x-1)2-6=0
5(x+2)2-7=0x2-10x+25=3x2-1=9
x2+8=6xx2-9x=25(6x-7)(x-7)=0
x(x+8)=15x(x-9)=0x(x-6)=6x+3
(2x+5)(x+8)=x(8x-5)2x2+4=7x6x(x-5)=24
9x2-8=0x2-7=2(x-1)2-8=0
(x-9)2-6=0x2-14x+49=27x2+7=8
5x2+3=7xx2-3x=24(9x-2)(x-4)=0
7x(x-9)=242x(x+2)=0x(x-6)=9x-1
(2x+8)(x-8)=x(3x-1)x2-3=6xx(x+1)=26
x2-8=03x2-2=5(x+4)2-9=0
6(x-3)2-9=0x2-18x+81=5x2+9=8