$3.4-2.4$
$8a-5b-8a-5b$
$2sin2x\:\left(1-2sin^2x\right)$
$3x+4y+z=-2$
$2\cdot7-4$
$45n^2+80n+120=20n^2-20n+20$
$y+2=2-y$
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!