$\sin\left(2x\right)\cos\left(x\right)+\cos\left(2x\right)\sin\left(x\right)=-.5$

$4a^5b+4a^3c$

$6s^2\:-\:3x^2\:$

$\left(4\cdot1\cdot5\right)^2$

$\int\left(\frac{x^{3\:}+\sqrt[2]{x}\cos}{x^{\frac{2}{3}}}\right)dx$

$\frac{\left(xy\left(4\right)\right)}{xy}^3$

$-7x^2+12x+36$