$-7.24ab+\left(0.5ab\right)+\left(-3.1ab\right)+ab$

$7\int sin\left(ln\left(8x\right)\right)dx$

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

$15.4\cdot33.1$

$\log_a\left(2^a\right)=\frac{a}{4}$

$3\left(\frac{3}{2}\right)+3\left(\frac{3}{2}\right)-1$

$\int_0^{\infty}\left(\frac{1}{-5+2x}\right)dx$