$9q-9-q$
$x^2-40=0$
$2x^2-x-12\le9$
$sin2x=2cos\left(x\right)sinx\left(x\right)$
$\left(5m\right)^2+13\left(5m\right)-30$
$\frac{2x^2-x-4}{x-1}$
$2cosx\:=\:3tgx$
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!