$\left(2x\right)^2-6^2+x^2+2\left(x\right)\left(6\right)+6^2$

$\int\frac{5x^2-x-160}{x^2-25}dx$

$\frac{28^3y^2z^5}{7yx2}$

$\int\ln\left(7x+8\right)dx$

$\frac{\sin\left(x\right)}{\sec\left(x\right)+\cot\left(x\right)}$

$\int arcsisn^2\left(x\right)dx$

$\left(5^9\right)^{12}$