Precalculus Examples

$2 x^{2} - 2 x + 4$

Step 1

Factor $2$ out of $2 x^{2}$ .

$2 (x^{2}) - 2 x + 4$

Step 2

Factor $2$ out of $- 2 x$ .

$2 (x^{2}) + 2 (- x) + 4$

Step 3

Factor $2$ out of $4$ .

$2 (x^{2}) + 2 (- x) + 2 (2)$

Step 4

Factor $2$ out of $2 (x^{2}) + 2 (- x)$ .

$2 (x^{2} - x) + 2 (2)$

Step 5

Factor $2$ out of $2 (x^{2} - x) + 2 (2)$ .

$2 (x^{2} - x + 2)$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$