$\left(4-3\left(3+2-\left(1-5-7\right)-2\right)+10\right)$

$2\sqrt{\frac{x^2}{2}+x+\frac{1}{2}}$

$-19-\left(-5+3\right)$

$\int\left(8x^3+6x^2+2x-5\right)e^{4x}dx$

$\frac{3x}{x+2}+6x+4=\frac{12}{x^2+2x}$

$\lim_{x\to0}\left(\frac{x^3}{log\left(x^2+10\right)}\right)$

$4.5x=5.1x-30$