$\left(-3\right)^0\cdot\left(-3\right)^4$

$\left(x^{3y^{-1}}\right)^4$

$3-\left(8-2\right)\cdot2\left[5\cdot\left(-4\right)\right]-\frac{12}{6}$

$36x^2+84x$

$\frac{a^{-3}b^4}{a^{-5}b^5}$

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

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