$\lim_{x\to1}\left(\frac{3x-3^x}{2x-2^x}\right)$
$\left(\frac{x}{2}\left(-3\right)\right)$
$8x^2-4x+21$
$-3+7-8+9-2+4$
$\left(5m^n-7\right)\left(5m^n+7\right)$
$\frac{\sin\left(-a\right)}{\sin\left(a\right)}\:+\frac{\cos\left(-a\right)}{\cos\left(a\right)}$
$x^4-2x^2-3x-2$
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!