$\left(\frac{1}{5}xy-5x^2y^2\right)^2$

$\frac{4x^4-7x+2}{x^3-x}$

$15\cdot\sin^2\left(x\right)-17\cdot\sin\left(x\right)+4=0$

$\int x^4\left(x+8\right)dx$

$\int\cos^2\left(2x+5\right)dx$

$-x^3+2x^2+5x+1-3x^2+2$

$\left(-2xyz\right)\left(3x^2yz^3\right)\left(5x^2yz^4\right)$