$\lim_{x\to2}\left(\frac{\left|\sqrt[3]{x}\right|-1}{x^2+3x-4}\right)$

$\int\sin\left(x\right)\cos\left(4\cos\left(x\right)-5\right)dx$

$\int sen\left(2x\right)cos\left(4x\right)dx$

$2\left\{2-3\left[3-2\left(-2\right)+3\left(-2\right)\right]2-1\right\}-3\left(4-5\right)$

$2x^2+32x+0$

$36^2-48a+16$

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