$\int\left[\left(x+\sqrt{sin\left(2x+3\right)}\right)\left(x-\sqrt{sin\left(2x+3\right)}\right)\right]dx$

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

$-45v^2b+50ab^2+10v^2b-12ab^2$

$f\left(x\right)=y+3\left(56\right)$

$\frac{192}{277}-\infty$

$\int\frac{2x^4-3x^2+5}{3x^2}dx$

$\int5x^4\sin\left(x^5+1\right)dx$