$\int_1^x\left(\frac{\ln\left(x\right)}{x}\right)dx$

$-6+3\left(2+\left(4f\right)\right)$

$\int_0^1\left(\frac{\arccos\left(x\right)}{\sqrt{1-x^2}}\right)dx$

$\left(2x^5-6x^4-46x^3+54x^2+332x+240\right)$

$\int\frac{-20x^4}{-4x^5+77}dx$

$\left(5x+5\right)^3$

$-2by^2-aby^3$