$\frac{x}{x+1}\:+\frac{2x}{x+1}$
$a^2x^2-1$
$\frac{80}{16}$
$\lim_{h\to0}\left(\frac{\left(\frac{1}{\sqrt{x+h-4}}-\frac{1}{\sqrt{x-4}}\right)}{h}\right)$
$2y-xy=2x$
$26\cdot72$
$-x^2-2$
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!