$\:\int\frac{3\cos^3\left(x\right)-4\sin^3\left(x\right)}{\sin^2\left(x\right)\cos^2\left(x\right)}dx$

$4x^2-12x+911$

$99\cdot99\cdot99$

$\int\frac{4e^{\sqrt{x}}}{\sqrt{x}}dx$

$23^3$

$\left(1+sec\left(x\right)\right)\left(sec\left(x\right)-1\right)=\frac{sin\left(x\right)sec\left(x\right)}{cos\left(x\right)csc\left(x\right)}$

$3^{2x}-6\cdot3^x+8=0$