x²-8x+7=0

x²-16x+64=0

x²+10x+9=0

2x²-x-3=0

3x²-5x+2=0

2x²-7x+3=0

3x²+x-2=0

2x²+3x+1=0

x²-6x+8=0

-5x²+8x-3=0

x²+3x-1=0

12x²-13x+1=0

-2x²-9x+5=0

2x²-9x+5=0

-8x²-10x+3=0

5x²-3x-2=0

x²-6x+9=0

2x2+7x+3=0

-5x²-2x-4=0

-x²+6x+3=0

3x²-5x+6=0