$\int\frac{x^3-7}{x+2}dx$

$=\frac{a^{m+3}}{a^{m+3}}$

$x^3+2x^2+x=0$

$-5,85\:-0,25$

$\cot\left(x\right)\cdot\frac{\cos\left(x\right)}{csc\left(x\right)}$

$\left(1+\cot\left(x\right)^2\right)\tan\left(x\right)\cos\left(x\right)$

$\left(4w+7yz\right)\left(6w-2yz\right)$