$\left(\sin\:^2\left(x\right)+\sin\:^2\left(y\right)\right)\left(\cos^2\left(x\right)+\cos^2\left(y\right)\right)\:$

$\left(\:x^4\:-\:2x^2\:\:-\:3\:\:\:\right)$

$\left(x^2+2x-1\right)-\left(3\:x^4-4x^2+2x\right)$

$\lim_{x\to5}\left(\frac{x^3-6x^2+25}{x-5}\right)$

$\left(3x^m-5y^n\right)^2$

$\frac{\left(-3a^4b^{-2}\right)^3}{a^6b^3}$

$\int_5^{10}bx^2dx$