人教版初中九年级数学上册配方法解一元二次方程综合练习题52Word格式文档下载.docx
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x2-x-—=0x2+2+5=0
(1)x2+14x+____=(x+____)2
(2)x2+4x+____=(x+____)2
(3)x2+—x+____=(x+____)2
x2-8+4=0x2-6+3=0
7x2-14x-4=07x2-14x+4=0
x2+2x-2-7x=19x2+2x+2+3x=15
x(x-3)=5x-14x(x+3)=9x+15
4x2-2x-10=06x2-2x+6=0
5
x2-x-—=0x2-2+7=0
9
(1)x2-14x+____=(x-____)2
(2)x2-7x+____=(x-____)2
8
7
x2+12+10=0x2+18+7=0
7x2-14x-10=04x2-8x+6=0
x2+2x+2+8x=20x2-6x+5-1x=19
x(x-7)=6x+10x(x-1)=5x-15
2x2-10x-5=02x2-4x-8=0
x2-x+—=0x2-18+2=0
(1)x2-16x+____=(x-____)2
(2)x2-2x+____=(x-____)2
x2+4+8=0x2-2+8=0
9x2+18x+8=05x2+10x-10=0
x2-8x+3+8x=19x2-10x-10+5x=12
x(x+8)=8x-6x(x-9)=6x-20
6x2+10x+7=06x2-6x+2=0
x2-x+—=0x2-14+6=0
(1)x2+20x+____=(x+____)2
(2)x2-10x+____=(x-____)2
6
x2-2+5=0x2+16+9=0
6x2-12x+4=05x2-10x+10=0
x2-2x+1+8x=12x2-10x-5+4x=14
x(x-5)=2x+7x(x-7)=6x+9
4x2+8x-2=04x2+10x+3=0
x2-x+—=0x2-14+4=0
(1)x2+8x+____=(x+____)2
(2)x2-6x+____=(x-____)2
10
x2-2+3=0x2-4+2=0
2x2+4x-4=08x2-16x-8=0
x2+10x+2-4x=16x2+10x-1-2x=10
x(x+1)=4x-15x(x-1)=9x-16
2x2-8x+2=02x2-8x+6=0
x2-x-—=0x2-14+8=0
(1)x2-18x+____=(x-____)2
(2)x2-3x+____=(x-____)2
2
x2-2+1=0x2+4+2=0
2x2+4x-2=03x2-6x+8=0
x2-10x+10+9x=12x2+2x-8+5x=11
x(x+8)=9x-16x(x-4)=8x-12
6x2-10x-1=06x2+2x+10=0
x2+x+—=0x2+12+10=0
(1)x2-2x+____=(x-____)2
(2)x2-9x+____=(x-____)2
x2-18+5=0x2+8+1=0
8x2-16x+6=09x2-18x+2=0
x2-2x+6-5x=11x2-10x+2+3x=19
x(x+2)=8x+3x(x+3)=7x+3
2x2-4x+2=04x2+4x+5=0
x2-x+—=0x2-20+9=0
(2)x2-8x+____=(x-____)2
x2+2+8=0x2+12+5=0
2x2+4x-6=04x2+8x-4=0
x2-6x+9-7x=20x2+8x+9+2x=17
x(x+7)=2x+17x(x-6)=6x-1
4x2-2x-1=04x2-6x+8=0
x2+x+—=0x2-14+10=0
(1)x2-20x+____=(x-____)2
x2-2+5=0x2+12+4=0
6x2+12x-10=08x2+16x-2=0
x2-8x+2-7x=11x2+6x+9-1x=17
x(x+7)=8x+10x(x-8)=3x-2
6x2+2x+9=02x2+10x+4=0
x2-x-—=0x2-18+7=0
(1)x2+4x+____=(x+____)2
x2+8+2=0x2+10+1=0
6x2+12x+6=010x2+20x+4=0
x2-8x+5+9x=16x2+10x-5-6x=14
x(x+7)=6x+1x(x-3)=3x+20
2x2-4x+3=02x2-10x+10=0
x2-x+—=0x2+12+3=0
(1)x2-10x+____=(x-____)2
(2)x2+10x+____=(x+____)2
x2+16+1=0x2+10+3=0
7x2+14x+6=04x2-8x+8=0
x2+10x+5-3x=11x2+2x+6+1x=18
x(x-1)=3x+11x(x-8)=4x+4
4x2+4x-7=06x2+6x-8=0
x2+x-—=0x2-10+7=0
(2)x2-4x+____=(x-____)2
x2-14+3=0x2-20+8=0
9x2-18x+8=05x2-10x+8=0
x2-8x+6+5x=14x2+6x+10+7x=18
x(x+9)=6x+10x(x-2)=4x-14
6x2+4x+3=02x2-2x+9=0
x2-x-—=0x2+6+8=0
x2+8+2=0x2-8+6=0
5x2-10x-10=08x2-16x+6=0
x2-10x-4+4x=17x2+2x+4+7x=13
x(x-6)=6x+1x(x-9)=8x+6
6x2-10x-1=02x2-4x-4=0
x2-x-—=0x2+16+5=0
(2)x2+5x+____=(x+____)2
x2+6+1=0x2+10+4=0
10x2-20x+2=03x2-6x-8=0
x2-6x-10-7x=16x2+4x-1+7x=18
x(x+3)=3x-5x(x+9)=3x+20
6x2+8x-2=06x2+4x+10=0
x2-x-—=0x2+10+9=0
(1)x2+12x+____=(x+____)2
(2)x2+9x+____=(x+____)2
x2+14+8=0x2-10+1=0
4x2+8x-2=010x2+20x+2=0
x2-6x+3+3x=19x2+2x+6+3x=17
x(x-9)=9x-20x(x+9)=9x+17
4x2+10x-9=06x2+8x+1=0
x2+x+—=0x2-14+8=0
x2+14+10=0x2+8+3=0
9x2+18x-6=03x2-6x+8=0
x2+8x-9+3x=15x2+8x-8+7x=14
x(x-4)=8x+5x(x-8)=6x-18
6x2-4x+8=02x2+8x+3=0
x2-x+—=0x2-18+10=0
(1)x2+10x+____=(x+____)2
x2+6+8=0x2+14+3=0
2x2+4x-4=010x2+20x+2=0
x2-2x-1-4x=16x2-6x-9+8x=13
x(x+7)=5x+2x(x-3)=9x+15
4x2+6x+6=06x2-2x-9=0
x2+x-—=0x2+8+1=0
x2-8+9=0x2-6+7=0
6x2-12x-6=08x2+16x+10=0
x2+8x+9-8x=19x2-10x+4-7x=14
x(x+4)=7x-12x(x+5)=3x-20
4x2+10x+8=02x2-2x-9=0
x2+x+—=0x2+4+5=0
(1)x2-6x+____=(x-____)2
x2-14+7=0x2+12+3=0
7x2-14x+4=09x2+18x+10=0
x2+6x+8+6x=16x2+8