$\left(4a+3\right)\left(a+3\right)$

$2sin^2\theta\:+sin\theta\:-1$

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

$\lim_{x\to-\pi}\csc\left(x\right)$

$\int\left(7x+8\right)^{10}7xdx$

$30-\:-10-2+1$

$10\:.\:\left(-1\right)\:+\:\left(-7\right)$