$2cos\left(\frac{\pi}{7}x\right)\:=\sqrt{3}$
$x^2+7x+7$
$27c^3\:-\:d^3\:$
$-\left(19\right)\:\left(-9\right)$
$\left(8y^{2a-3}-4x^{4a}\right)$
$2xy^2=0$
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!