一元二次方程专项练习 (42)

 

x2-7x-6=0

x2+6x-6=0

x2+8x-3=0

x2-9x-8=02x2+4(4x-1)=05y2-3y+12=0 6x2+5(2x+5)=03y2+8y-5=0 5x2-4(2x-4)=04y2-8y-14=03x2-2(2x+4)=02y2-2y+5=0

x2+4x-4=0 x2+8x-5=0 x2+4x-11=0 x2+2x+19=0 2x2+2(3x-2)=0 5x2-4(2x+5)=0 5x2+5(4x+5)=0 6x2-5(2x-1)=0 4y2-10y-1=0 5y2-4y+12=0 2y2+7y+19=0 2y2-3y-10=0

x2+7x+15=0

x2-7x+13=0

x2+4x+18=0

x2-6x-5=0 2x2+2(4x-5)=0 4x2-5(2x+5)=0 5x2-3(4x+5)=0 4x2-2(3x-4)=0 5y2-10y+14=0 3y2+10y+9=0 3y2+10y-15=0 4y2+2y-6=0

x2-10x+15=0 x2-3x-4=0 x2-9x+16=0 x2+10x-9=0 3x2+4(4x-5)=0 2x2+4(2x+2)=0 5x2-3(3x+5)=0 5x2+3(4x-4)=0 5y2-2y-5=0 3y2-5y-17=0 4y2-4y-7=0 4y2-3y+3=0

x2+6x-7=0 x2-5x+13=0 x2+5x-7=0

x2-7x-15=0 3x2+2(2x-1)=0 2x2-5(4x+4)=0 4x2+5(3x-3)=0 5x2+3(3x+5)=0 3y2-7y+2=0 2y2-5y+10=0 3y2-3y+18=0 5y2+3y-13=0

x2+4x+14=0

x2+3x+7=0

x2-4x+13=0

x2-6x-16=0 6x2+3(4x-2)=0 6x2+4(3x-4)=0 3x2+2(3x+5)=0 6x2-3(4x+3)=0 3y2-7y-6=0 4y2-4y+8=0 4y2-3y+16=0 4y2+7y+14=0

x2-9x+9=0 3x2-3(3x-2)=0 2y2+3y-3=0 x2-5x+1=0 3x2+2(3x+5)=0 3y2+5y-6=0 x2+4x+6=0 6x2-5(3x-3)=0 3y2-5y+16=0 x2-10x+19=0 2x2-3(2x-1)=0 5y2-5y+1=0

x2-2x+2=0 x2-2x-7=0 x2+2x-6=0 x2+9x-6=0 2x2-4(2x-1)=0 2x2-2(4x-4)=0 6x2+2(3x-2)=0 2x2-5(3x+5)=0 3y2+6y+18=0 5y2-6y-7=0 5y2+9y-3=0 5y2+2y-17=0

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