$\left(4b^2-7v\right)^2$

$\frac{\left(-45\right)}{5}$

$\frac{\sin\left(0\right)}{\frac{1}{\ln\left(0\right)}}$

$-\left(9\:-\:7\right)\:-\:\left(5-\:\:9\right)$

$\left(3x+2y\right)dx\:=\left(3x+2y\:+\:2\right)dy$

$\frac{1}{2}\log_b\left(x\right)+3\log_b\left(z\right)-\log_b\left(y\right)$

$\frac{dy}{dx}+\frac{y}{x^2}=\frac{e^{\frac{1}{x}}}{x^2}$