$-\int_{\infty}^e\left(\frac{1}{x\ln\left(x\right)}\right)dx$

$2\left(3x-7\right)+5x-6+3x$

$0.085\cdot1000$

$\left(4y+5\right)^3$

$sin\:xcos\:x\:+cos\:xsin\:x$

$\frac{\cos\left(2x\right)}{\cos\left(x\right)^2+\sin\left(x\right)\cos\left(x\right)}=1-\tan\left(x\right)$

$\frac{in\left|x^3+2x^2\right|+5e^{x^2+2x}}{sin^3\left(x^2+1\right)}$