$15x-9$

$\sin\left(a\right)=30$

$2+3x<101$

$\int\left(x^3+5x^2+12\right)^4dx$

$\int\frac{-4\left(\ln\left(y\right)\right)^2}{y}dy$

$\left(\sin\left(x\right)^2\right).\left(\arcsin\:\left(x\right)+\arccos\:\left(x\right)+\arcsin\:\left(\sin\:\left(x\right)\right)\right)$

$-3\left(4-\left(5-2\right)+1\right)$