$\lim_{x\to0}\left(\frac{6x^2+12x+512}{x}\right)$

$\int10sen\left(10x\right)cos^5\left(10x\right)dx$

$\left(a^x\right)\left(b^{x+1}\right)^2$

$\left(m^{10}\right)^2-\left(\frac{7}{8}\right)^2$

$-4x-8y=7$

$8x^4+12^6$

$\int\sin\left(\frac{1}{\sec\left(x\right)}.\frac{1}{\cos\left(x\right)}\right).d\left(x\right)$