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8*x^8+6*x^6+4*x^4+2*x^2-490;x-2
2*x^2+x+5 > 0;x
x
x^2+x+5 > 0;x
x
x^2-5 <= 0;x
x
(3*x^2-4)*(2*x-(5*x^2))
| 45=3(2x-3) | | 6x+-13=5x-16 | | -8x^3-8x^2+18x+45=0 | | X^2+y^2-2x-6y+14=0 | | 0=3x(x-2)-5 | | 10y^2-5y=35 | | 5h+4=1h+16 | | X+y-2=xi+yi | | 10x+3=7x | | 0.085x+x=350 | | f(x)=-3x^3+2x^2+4 | | -8x-5=35 | | g(t)=2t^6+7t^6 | | g(t)=2t^6+7-6 | | (5x-1)/3 | | 22x-17=8+12x | | 2(3x-1)=4x*5 | | -9-(5+2X)=-19-X | | 9-(-1+2X)=16-X | | 9-(5+2X)=-19-X | | 3p-12=7p+4 | | 3(4+3X)=60+3X | | 35-6x=-2x+14 | | 4(-1+2X)=-32+4X | | 14n=254 | | 6y-5=15y+13 | | 5(8-6X)=100-15X | | -3y-14=-8 | | (d-1750)/70=t | | v^2-8v+25=y | | p-0.9(40)=26 | | x+17=79 |