$\int\left(x\left(\sqrt{4x+2}\right)\right)dx$

$m\:\left(x\:+\:y\right)\:-\:2n\:\left(x\:+\:y\right)\:+\:4\:a\:\left(x\:+\:y\right)$

$\lim_{x\to2}\left(\frac{4x^2+4x-15}{2x-3}\right)$

$x^2\left(\frac{\left(108-x^2\right)}{4}\right)$

$6,81+27,92+34,58$

$\int\frac{cost}{9+sint}dt$

$\left(-5\right)\left(4\right)\left(-10\right)+5\left(-4\right)\left(6\right)-2+\left(-5\right)$