$40-9.2-1.2$

$\lim_{x\to0}\left(x+xe^{-x}\right)$

$\int x\left(x+5\right)^5dx$

$\left(\frac{\left(\left(8-tan\left(x\right)\right)\left(7\right)-\left(7x\right)\left(-sec\left(x\right)^2\right)\right)}{\left(8-tan\left(x\right)\right)^2}\right)$

$\lim_{x\to5}\left(\frac{12x+60}{x^2-6x+5}\right)$

$\frac{1}{2}x^{2}+14x^{5}-1^{2}+3x-6y^{3}\right)$

$\left(3q+8\right)-\left(3q+4\right)$