$5h+11g+1h-8g$

$\int\:\frac{3x+6}{\sqrt{2x^2+8x+3}}dx$

$y'=y+y\:^2,\:y\left(0\right)=0.5$

$\left(5\sqrt{3}+2\sqrt{5}y\right)\left(5\sqrt{3}-2\sqrt{5}y\right)$

$2x^2+5x-3x\:-3x^2$

$2x-3\left(4x+2\right)$

$\left(\cot^2\left(x\right)+1\right)\left(\sin^2\left(x\right)+1\right)=-\cot^2\left(x\right)$