$\frac{d^2x}{dt^2}\left(5\cdot\left(-q\frac{dx}{dt}-kx+p\right)\right)$

$\left(x-1\right)\left(m+2\right)+m\left(x-1\right)$

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

$( 3 - 3 i ) ^ { 3 }$

$\left(a^5+1\right)^2$

$-15-28+2-80+50+-15+5$

$x^2-10x+211$