$2r+2+5r-2+r$
$3\infty+1$
$312.5-254.2$
$x+15=2x+7$
$y^4-2y^3+y$
$\left(2x+y\right)^2-\:\left(2x-y\right)^2$
$\frac{24x^4+18x^3+5x^2+3x-8}{x+4}$
Get a preview of step-by-step solutions.
Earn solution credits, which you can redeem for complete step-by-step solutions.
Save your favorite problems.
Become premium to access unlimited solutions, download solutions, discounts and more!