$\log2\left(x+1\right)+\log2\left(x-2\right)=3$

$2x^2+17x-30$

$\int\sin^3\left(6a\right)\cos\left(6a\right)da$

$x^2-3xy+y^2-2y^2+3xy-x^2.x^2+3xy-y^2$

$2\left(x^2+yx-2w\right)+3\left(x^2-yx+2w\right)$

$\frac{x^3-x^2-17x-8}{x-5}$

$\frac{4^{0}\cdot5^{3}\cdot8^{10}}{2^{2}\cdot4^{2}\cdot5^{3}}$