$\int\sin^2\left(\frac{1}{4}x\right)dx$

$\int\frac{\left(x^4+2\right)}{\left(x^5+10x+7\right)}dx$

$-8x=40$

$\int\frac{1}{\left(x^2+2x+1\right)\left(x+3\right)}dx$

$\left(\frac{y}{2}\right)^3\left(\sqrt[3]{\frac{y}{2}}\right)$

$\left(-3+\frac{6b}{n}\right)^2$

$\left(3x^6-2x^4\right)^4$