$\left(5ab^2+11z^3\right)\left(5ab^2-11z^3\right)$

$\lim_{x\to+\infty}\left(\frac{x^{10}}{e^x}\right)$

$\frac{\left(1-\sin\left(x\right)\right)\left(1+\sin\left(x\right)\right)}{\sin\left(x\right)}$

$\frac{8x^3+18x^2+14x+11}{2x+2}$

$\int\frac{\left(x^2-x+2\right)}{\left(x+3\right)\left(x-2\right)}dx$

$6xy^2z^3+6x^2y^2z^2+18x^3yz^2$

$\left(-a^0\right)^3$