$5v^6\cdot6v^5$

$\left(e^{\left(2\cdot y\right)}-y\cdot cos\left(x\cdot y\right)\right)\:+\:\left(2x\cdot e^{\left(2\cdot y\right)}-x\cdot cos\left(x\cdot y\right)\:+\:2y\right)\left(\frac{dy}{dx}\right)=0$

$\sin u+2\sin^2=0$

$30+18-\left(-7\right)+1-5-\left(-6\right)+\left(-7\right)$

$-10x+7x+24-2x$

$\int100x^3cos\left(5x^4+3\right)dx$

$\left(x+1\right)^2-\left(x+y\right)^2$