$x^2-20x+20$
$-\left(x+a\right)^2$
$sec\left(x\right)\cdot csc\left(x\right)-\frac{sin\left(x\right)}{cos\left(x\right)}$
$1+2-5-6$
$\frac { ( 3 ) ( 5 ) ( 8 ) } { ( 3 ) ( 4 ) }$
$\frac{1}{81}x^4-16$
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!