$\left(2\:+\:3t\right)^2$

$\frac{-48ab^3}{-6a^3b^5}-1$

$\sin\left(x\right)\cos^2\left(y\right)dx+\cos^2\left(x\right)dy$

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

$\left(-7\right)^4\cdot\left(2\right)^4$

$\int\left(\sqrt{6+y}\left(y+2\right)^2\right)dy$

$38+87-15+76-92\cdot12$