$\left(h+3\right)^3$

$\int\frac{x^2-3x+1}{\left(x+1\right)}dx$

$\left(m-5r\right)\left(m+5r\right)$

$1+2+3+4+5+6+7+8+9$

$1=\tan\left(x\right)\sin\left(x\right)^2+\cos\left(x\right)^2$

$\frac{1}{2}sin2\pi x\:+\:\frac{1}{4}\:sin4\pi x=sin2\pi x\:cos^2x$

$-11.5-23.-3+4$