$3x^4-3$

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

$7\left(5m+4\right)+5$

$\int_0^{\frac{\pi}{3}}\left(\frac{5sin\left(x\right)}{cos^2\left(x\right)}\right)dx$

$\int\frac{\left(e^{3x}+6\right)}{e^{6x}-36}dx$

$\int\left(x^2-8\right)^6xdx$

$\int\left(\frac{x^2}{\sqrt{5-4x^2}}\right)dx$