$\left(-1x^4y^8\right)^4$

$15x^7-20x^4-35x^{11}$

$\frac{\csc\left(x\right)\cot\left(x\right)}{\sec\left(x\right)\tan\left(x\right)}$

$\int\frac{20x-3}{\left(2x-3\right)\left(5x+6\right)}dx$

$\left(\sqrt[10]{x}.\sqrt[35]{x^2}\right)$

$3x^4+x^3-3x^2+8x+16;\:x=1$

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