$\left(-5\right).4+3.\left(-10\right)$

$\int4x\cdot\sqrt{3x+1}dx$

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

$\left(x^2\right)\left(\sqrt{x}\right)$

$57,849\:+\:-3,005$

$\int cos^7\left(x\right)sin^{18}\left(x\right)dx$

$3x=3y'-2$