$sen\:x\left(csc\:x\:+\:sen\:x\right)\:+cos\:x\left(\:secx\:+cosx\right)$
$50\cdot3$
$-20=5x$
$\left(-6\right)\left(3b^2\right)$
$36a^2-25$
$\frac{x^3-x^2+2x^2-2}{x^2+1}$
$3\cdot\left(2x\:+y\right)$
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!