Algebra Examples

$x^{2} + 2 x$

Step 1

To find the $c$ value $c = {(\frac{b}{2})}^{2}$ , divide the coefficient of $x$ by $2$ and square the result.

Tap for more steps...

Step 1.1

Divide $2$ by $2$ .

$1^{2}$

Step 1.2

One to any power is one.

$1$

Step 2

Add $1$ to get the perfect square trinomial.

$x^{2} + 2 x + 1$