$16-40x^2+25x^4$
$4\cos^2x-2\cos x-2=0$
$x^2+5x-2\cdot4x+3$
$\frac{5x^2+32x+39}{x+5}$
$z\:+\:-12\:=\:-10$
$\frac{36x^{3}y^{2}z^{4}}{12x^{2}y^{2}}$
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!