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3*x-y-1;2*x+3*y-2;-x-y-3
((x^2-(3*x)+2)/(x^2-(7*x)+12))^(1/2)
57 = 0
(sin(x)*sin(x))/x
5;7;2;5;0;1
| -6(17+14)=-6(17)+(-6)(14) | | -4-2v+8-6=6-9v+6v | | X^2(x+1)=576 | | 4=4p(-1) | | 4x-5=3x-e | | lg(2x-3)=4 | | 0=x(x^2-5) | | 7k-3=5k+13 | | x(x+11)=2(x+5) | | 6h-7=-13 | | 1/10*7x | | 6×1/10= | | 29+(x*0.4)=x | | (X+6)+X+X=29 | | 42y-3=3y+6 | | g^4x-4=6561 | | (y^2)-(5y+14)= | | (X+6)+(X-13)+X=29 | | -4.9x^2+2.98x+0.12=0 | | 9x-13x=4x+12 | | x^5+4*x^3+12*x^2-16*x+16=0 | | x^4+4*x^3+12*x^2+16*x+16=0 | | x^5+4*x^3+12*x^2+16*x+16=0 | | 4t-7=3 | | X^2-(2b-1)+(b^2-b-20)=0 | | 3x(4)=9 | | 5t-18=-18+4t | | 5p-27=-9+7p | | 12-3t=-24 | | 6(3+4x)-9=89 | | 3x-3x=11 | | x/32=x*18=180 |