$\int sin\left(c\right)\cdot\cos\left(x\right)dx$

$\left(8a^3b^2\:+\:6a^2b\:-\:4b^2\:+\:5\right)\:+\:\left(10a^2b\:-\:4a^3b^2\:+\:6a^2\:-\:7\right)$

$x^2+10x-750$

$4\cdot\left(-1\right)^3\cdot\left(2\right)+3\cdot\left(2\right)^2\cdot\left(-1\right)^6$

$\left(x+\frac{2}{y}\right)dy+ydx=0$

$100x^2+180x+18$

$\:75x^2\:-\:48$