$\int\frac{4x+7}{\left(8x^2+28x\right)^3}dx$

$\lim_{x\to\pi}\left(\frac{sen\left(x\right).\ln\left(\sin\left(x\right)\right)}{\cos\left(x\right)}\right)$

$25y^{\left(2\right)}-10xy+x^{\left(2\right)}$

$1029-65-12-28$

$-73\left(-1\right)^2$

$\frac{\left(2x+3\right)^5+\left(x+3\right)^4-6x\:}{x+2}$

$y=3x-8x^2+6$