$a\left(3\right)b\left(3\right)+3a\left(2\right)b\left(2\right)x+3abx\left(2\right)+x\left(3\right)$

$\frac{dy}{dx}=-97x^2-55x+5$

$3x^2-11x-4$

$\lim_{x\to-6}\left(\frac{x^2-x-42}{x+6}\right)$

$\lim_{x\to-3}\left(\sqrt[3]{8x-3}\right)$

$12z+9x-7+\left(-5z\right)-4x$

$\int\frac{\left(x^3+1\right)}{sqrt\left(x^4+4x-3\right)}dx$