$9z+3w=51$
$7\cos\left(x\right)\tan\left(x\right)-10\tan\left(x\right)=0$
$-189\:_{\:-21}$
$25a^4+10a^2+1$
$\left(5c+3\right)\left(5c-3\right)$
$\frac{2+tan^2\left(x\right)}{1+tan^2\left(x\right)}-1$
$16\cdot611$
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!