$5x-3=18+3\left(1-x\right)$

$\lim_{x\to0}\left(\frac{tan\left(x\right)-xsec^2\left(x\right)}{1-sec^2\left(x\right)}\right)$

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

$7\left(5q+2\right)+6$

$\int6x^3e^{2x^4}dx$

$x\left(5-x\right)^{-\frac{2}{3}}$

$\int\left(x^8ln\left(1+x\right)\right)dx$