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y = 1*x^2+1*x-1;1;1;-1
-((1^2-(-1*1*4))/(1*4))
-(1/(1*2))
1*0^2+0*1-1
(7*(3/1))/6 = 0
| 5-6x-17= | | 0,2x-x-1+2=0,2x-1x | | 4x(x-3)=64 | | 10x^2*y/5xy | | 0,2x-x-1+2=0,2x+1x | | 11x-6-6x=6x-3 | | 0,2x-x+2=0,2x+1x | | 0,2x-1x+2=0,2x+1x | | 4=-x+3 | | 0,2x-1x+2=0,2x-1x | | 10x^2y/5xy | | 14x+6=6x+0 | | 3/1*7/6 | | 8-8x-2=-61+3x-10 | | 0,2x-1x+2=0,2x+1 | | 6-2x-17= | | 2x^2+70x-900=0 | | 0,2x-1x+2=0,2x-1 | | 4(k-6)=-4 | | 2(5x+1)=2(2x+3) | | 0,2x-1x+2=0,2x | | x-0,2x-1+2=0,2x | | ab-c=b | | 0,2x-x-1+2=0,2x | | 0,2x-x-1+2=0,2x+1 | | 0,2x-x-1+2=0,2x-1 | | {7^n/11} | | (3x+12)(8-2x)=0 | | 7x^2-17x-5=0 | | 3/7*1/6 | | x-0,2x+0,25x-1+2=0,2x-1 | | 6x+2=-7+4x+23 |