$81x^2+9$
$5a^2\:-\:3a\:-\:2$
$\frac{2\cot y}{1+\cot^2y}\:=\sin\left(2y\right)$
$1x-1$
$\left(5xy-3^2+7y^2\right)+\left(9x^2-5xy-11y^2\right)$
$5a-b-2a+b^2$
$\int\left(x-6\right)\left(2x+1\right)dx$
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!