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

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

$\frac{5n^2}{4n^4}$

$a^2+2ab+b^2$

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

$\left(5m^3-4n^2+6p^5\right)^2$

$\int_0^1\left(x^2sin\left(x-1\right)\right)dx$