$\:x+\sqrt{2x^2+2x-3}=-1$

$\int\left(\frac{8}{4+5x}\right)dx$

$\left(\frac{x^{\frac{2}{3}}-\left(xy\right)^{\frac{1}{3}}+y^{\frac{2}{3}}}{x^2-y^2}\right)$

$\left(8x+7x^2\right)$

$\left(x\:-2\right)^2=\:4\:\left(y\:+2\right)$

$\left(x-5\right)\left(x+5\right)=x^2-25\:\:$

$x^2+y^2-5x^2+17xy+y^2$