$x^2-4x+6$
$2x^2\:+\:3x\:+\:1\left\langle\:\right\rangle0.$
$x^2-4\le0$
$\frac{\sec\left(a\right)^2}{1+cot^2a}=\tan\left(a\right)^2$
$\sec x\left(\sec x+1\right)$
$\left(2\cdot2^3\right)^2$
$\left(5-6x\right)\left(5+6x\right)$
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!