x3dydx−3x2y=2x3y2x^3\frac{dy}{dx}-3x^2y=2x^3y^2x3dxdy−3x2y=2x3y2
(x+7)2 −(x−7)2\left(x+7\right)^2\:-\left(x-7\right)^2(x+7)2−(x−7)2
m2+25m+49m^2+25m+49m2+25m+49
26−13\frac{26}{-13}−1326
4x2−12x+9=254x^2-12x+9=254x2−12x+9=25
(−6x+8)2\left(-6x+8\right)^2(−6x+8)2
4x2+27x=74x^2+27x=74x2+27x=7
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