$\int\:\frac{5x+7}{x^2-4x+3}dx$

$\left(5a^6-2b\right)^2$

$\int\left(\frac{\csc\left(x\right)-2\sec\left(x\right)}{\sin^2\left(x\right)\csc\left(x\right)}\right)dx$

$\sqrt[4]{m^3}n^2$

$\frac{\left(x^4+2x^2+2\right)}{\left(x^2+1\right)}$

$\left(7\right)^2+2\left(5\right)\sqrt{9}$

$\int\frac{1}{9x^2+25}dx$