$9x^3-6x^2+12x$

$\frac{dy}{dx}=\frac{\left(1+x\right)}{xy^2}$

$m+4+3m-6-2m+mc-4mc$

$\int\left(x^5-+2x^3+1\right)^4\cdot\left(5x^4-6x^2\right)$

$36x^2-120x+100$

$\sin^2\left(x\right)\left(1-\sin^2\left(x\right)\right)-\cos^2\left(x\right)\left(1-\cos^2\left(x\right)\right)$

$x\left(2\right)+18x+81$