$\:\frac{x^{-2}}{2}$
$\lim_{x\to7}\left(\frac{x^2-49}{x^2-7x}\right)$
$\int_0^{\infty}9ye^{\left(-3y\right)}dx$
$4x^2-20x=11$
$\frac{d}{dx}\left(\frac{x^2+4x+4}{x}\right)$
$\frac{25-\left(a+1\right)^2}{5+\left(a+1\right)^2}$
$3x^2+2x-5=27$
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!