$3x\left(a\:-\:b\right)\:+\:4y\left(b\:-\:a\right)$

$2x^2=4x$

$\left(7a+c\right)^2$

$\left(\left(x^2\right)\left(mx^{m-2}\right)\left(m-1\right)\right)-\left(\left(x\right)\left(mx^{m-1}\right)\right)-\left(\left(5\right)\left(x^m\right)\right)$

$\int x^4\left(x^5-3\right)^9dx$

$\left(\frac{1}{7}y^{2i+1}-\frac{1}{4}y^{i+2}\right)^2$

$\frac{dy}{dx}=0,001$