$-\left(-3\right)+\left(2-5\right)-\left(7-9\right)$
$\frac{-4}{x^3+2x^2}$
$4x^3+3x^2-8x$
$\frac{2x^2+4x-3}{2}$
$\frac{1}{t}\frac{dx}{dt}+t^2x=0$
$6x^2+51x+81=9x^2+81x+153$
$21\:-\:\left(-5\right)$
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!