$\left(0.3x^3y^2-\frac{1}{3}z\right)^2$

$\sqrt{\left(1-\sin^2\left(b\right)\right)}\tan\left(b\right)=\sin\left(b\right)$

$\int-7x+\left(5\right)+\frac{-4}{-7\sqrt[2]{x}}+\frac{-5}{-4\sqrt[4]{x}}+\frac{-6}{\left(-5\right)x^6}dx$

$cot^2a\:\left(sec^2a-1\right)=1$

$\int\frac{\left(6x-4\right)}{3x^2-4x}\:dx$

$-1,103+6,402$

$2x^4y-x^2y+x=2$