$\int\:\frac{5}{\left(x+3\right)\left(x+5\right)}dx$

$\frac{3-\sqrt[3]{2x+15}}{a\left(\sqrt[3]{x+2}-2\right)}$

$16\:x^2\:+\:7y^2\:-\:3\:+25x^2+1-12y^2$

$x^2-4x-21\le0$

$\sin\:\left(4x\right)-4\cdot\:\sin\:\left(x\right)\cdot\:\cos\:\left(x\right)+8\cdot\:\sin\:^3\left(x\right)\cdot\:\cos\:\left(x\right)=0$

$16+5-26+3-6-14$

$\left(2w+3x\right)^3$