$-8\left(-3+8x\right)=-232$

$5x\left(2x^2-3x+4\right)$

$\int\frac{5x}{\left(x-7\right)\left(x^2+x+1\right)}dx$

$\left(2\cdot x\:+\:y\cdot\:cos\left(x\cdot y\right)\right)dx\:+\:\left(x\cdot cos\left(x\cdot y\right)\right)dy\:=\:0$

$7+10y=10y+7$

$\left|\left(-4+9-1\right)\cdot\left(-1-2\right)\right|-\left|-\left(-5\right)+\left(-7\right)\right|\cdot4$

$\int\left(4-x^2\right)\frac{3}{2}dx$