$\left(4m^2\:+\:5n^2\right)^2$

$\frac{1^2}{3}mas\:2\:\frac{1}{3}\frac{1}{2}mas\:\frac{1^2}{2}$

$\cos\left(\theta\:+45\right)\sin\left(\theta\:+45\right)=\cos^2\theta\:-\frac{1}{2}$

$\sqrt{8.27}$

$\left(8x^3-2x^2+3x\right)^2$

$x^{2+40x+400}$

$3x^2dx+\left(y+2y^3\right)dy=0$