$\frac{2x^2+x-6}{x+y}$
$x^2-y^2+z^2;\:x=1;\:y=-3$
$\:cos^2x-sen^2x=2sen^2x-1$
$\frac{d}{dx}4x^3+3y^3=7$
$x+20=4x-4$
$\lim_{x\to\infty}\left(\frac{8-2y^2}{y^2+2y-3}\right)$
$8+5-2+1$
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!