$\left(-\frac{7}{6}a^{4x-3}b^{2x}c^4\right)\cdot\left(-\frac{3}{14}a^{x-1}bc^x\right)$

$\left(1+2m\right)\left(1-2m\right)$

$\int k^3\sin\left(3k\right)dk$

$\left(1-sen^2\left(a\right)\right)cot^2\left(a\right)+1$

$\frac{x^7}{x^3}$

$-13-12-\left(-11\right)$

$x^2+2x+10$