一元二次方程专项练习 70文档格式.docx
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x2-4x+7=02x2+5(3x+5)=02y2+10y-18=0
x2+5x-19=06x2-5(2x-5)=04y2+9y-18=0
x2-9x-1=06x2-5(4x-2)=03y2+9y-2=0
x2-9x+5=06x2+4(3x+2)=04y2+9y+18=0
x2-10x+15=04x2-3(3x+1)=04y2-2y+10=0
x2+3x+12=04x2-4(4x+4)=05y2-9y-19=0
x2+2x+1=05x2-5(3x+3)=04y2-9y+15=0
x2+8x-5=03x2-3(3x-2)=05y2+8y+3=0
x2-2x-16=05x2+4(4x-5)=05y2+3y-2=0
x2-3x-12=04x2-3(2x-3)=04y2-10y+4=0
x2-8x-1=05x2-2(2x-5)=04y2+6y-16=0
x2-6x-11=05x2-2(4x-4)=03y2+6y+14=0
x2-3x+11=04x2+4(4x-3)=03y2+6y-13=0
x2+10x+3=06x2-4(3x-5)=04y2-5y-7=0
x2+4x-9=03x2-5(4x-3)=03y2+6y+9=0
x2+10x-13=03x2+4(2x-4)=03y2-6y-20=0
x2+6x+5=06x2+3(4x-4)=05y2-8y-4=0
x2-4x-10=02x2+3(2x+2)=02y2+6y-3=0
x2-5x+1=02x2+5(4x-5)=03y2+10y-14=0
x2-8x+16=02x2+4(2x+4)=02y2+4y+13=0
x2-7x-10=06x2+3(2x+5)=05y2-10y+20=0
x2-9x+17=04x2-4(2x+1)=03y2-10y-14=0
x2+8x+3=05x2+4(2x-5)=05y2+7y+7=0
x2-7x-7=04x2+2(3x-1)=04y2+3y+14=0
x2+2x-18=03x2-4(4x-4)=02y2+6y-14=0
x2+10x+7=04x2+4(2x+4)=05y2+2y+8=0
x2+3x+20=05x2-3(3x+1)=03y2-8y-8=0
x2+7x-14=06x2+3(2x+3)=04y2+9y+2=0
x2-4x+15=02x2-4(2x-2)=03y2+8y-13=0
x2+10x-5=05x2+5(3x+1)=03y2-7y+20=0
x2+2x-17=03x2+4(4x+3)=03y2+2y-7=0
x2+9x-1=05x2-5(3x-4)=04y2+9y-18=0
x2+3x-13=02x2+2(2x-4)=04y2+10y+6=0
x2-9x+19=05x2-5(2x+3)=05y2+5y+16=0
x2+4x-10=04x2-4(2x+1)=05y2+5y-10=0
x2+2x+13=03x2-4(4x-3)=05y2-4y-8=0
x2+7x+15=03x2-2(2x+3)=04y2-5y+13=0
x2+10x-16=02x2+5(4x-2)=04y2-9y-10=0
x2-7x-5=04x2-3(3x+2)=03y2+10y+8=0
x2-5x+9=03x2-2(3x-1)=02y2-10y+5=0
x2-10x+5=05x2+4(2x+3)=02y2-5y+5=0
x2+2x-10=04x2-2(2x+3)=02y2+7y-1=0
x2-8x+4=03x2+2(2x-2)=05y2-9y+11=0
x2-5x+7=02x2+5(3x+5)=02y2+2y-2=0
x2+10x-10=03x2-5(3x-3)=04y2+4y+20=0
x2-4x-14=03x2+3(4x-4)=05y2-10y+7=0
x2-4x-13=03x2-3(2x+1)=02y2+3y-1=0
x2+5x-16=06x2+4(4x-1)=02y2+5y+7=0
x2-6x+13=06x2+2(4x-2)=05y2-8y+10=0
x2-9x-19=05x2+3(4x-2)=03y2+9y+10=0
x2+10x-20=03x2-5(3x-5)=05y2-4y-13=0
x2-7x+15=02x2-4(4x+3)=02y2+4y+2=0
x2+3x-18=05x2+4(4x+4)=02y2-5y+2=0
x2+10x-18=06x2+3(3x-5)=02y2-7y-2=0
x2+3x+1=02x2+2(4x+2)=04y2+8y-9=0
x2+3x-19=02x2-5(2x-2)=03y2+10y+13=0
x2-8x-1=03x2-5(4x+5)=03y2-10y-9=0
x2-4x+8=03x2-5(2x+1)=04y2-5y+16=0
x2-9x+2=02x2-5(2x-3)=05y2-4y+4=0
x2+6x-16=06x2-3(2x-5)=02y2+2y-17=0
x2-10x+9=02x2+3(3x-1)=03y2-10y-5=0
x2-4x+20=02x2+3(3x-2)=03y2+8y+20=0
x2+7x+17=04x2+5(3x+4)=03y2-3y-20=0
x2+6x+7=05x2+5(3x+1)=03y2+6y-5=0
x2+9x-9=02x2+5(4x+2)=03y2+10y-9=0
x2+5x+2=03x2+3(3x-5)=02y2+7y-9=0
x2+3x+17=06x2+3(3x-5)=04y2+4y-18=0
x2+5x+9=03x2+3(3x-4)=02y2-7y-15=0
x2-5x-17=05x2+5(2x+3)=04y2-3y+6=0
x2+6x+12=02x2+4(4x-4)=02y2+4y+13=0
x2+3x+17=05x2-2(4x-2)=02y2-7y-16=0
x2-6x+2=04x2+4(4x-4)=04y2+6y+5=0
x2-5x+12=05x2-5(4x-4)=02y2+9y+17=0
x2-3x+2=05x2-4(2x+5)=05y2-8y+4=0
x2-4x+20=03x2+5(3x+3)=02y2-4y+5=0
x2-8x+20=04x2+4(2x+3)=05y2-4y+14=0
x2+9x-2=06x2-3(4x+3)=05y2-3y-17=0