$\left(\sqrt{x}-y^2\right)\left(\sqrt{x}+y^2\right)$

$\int\left(3x^3-5\right)^5\cdot45x^2\cdot dx$

$\frac{12-17t+6t^2}{2t-3}$

$\int\frac{x^7-3x^2+11x}{x^2}dx$

$\left(2m+n\right)\left(2m-n\right)\left(4m^2-n^2\right)$

$\int\left(3x^3-x+1\right)e^{2x}dx$

$\left(10-5-3+1\right)-\left(5-3+2\right)$