$7z^2+4z^2-3z^2$
$\left(\frac{4}{9}n^n+r^n\right)^2$
$z^2+40z+720$
$8+7+2$
$3x-y;\:x=-2;y=\frac{1}{3}$
$7\cdot53\cdot5+16\cdot55\cdot4$
$\sin\left(\frac{4}{5}+\frac{5}{13}\right)$
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!