$5x^3+4x^2\left(2x^3+x^2+2x\right)$

$\left(2\sin\left(x\right)-1\right)\left(\cos\left(x\right)\right)=0$

$\left(x+22\right)\left(x-15\right)=98$

$\int\frac{4x^2}{x^3+3x}dx$

$-8-3+8\left(-3\right)$

$\int\left(sin^2\left(4x\right)\right)dx$

$\frac{d}{dx}\:2\sin3x^2+5x^3$