$\left(x\:+\:2\right)^2-x^2\:=\:60$

$22-\left(-12.08\right)$

$\lim_{x\to\infty}\left(\frac{x^4}{e^{2x}}\right)$

$\left(4x+5\right)\left(9x-1\right)$

$\:\frac{dy}{dx}\cos\left(x\right)=y\:\ln\left(y\right)$

$x^2+\frac{w}{2}x+\frac{w}{16}^2$

$\int\left(7x\cdot9^{x^2+1}\right)dx$