Precalculus Examples

$4 x^{2} - 8 x + 10$

Step 1

Factor $2$ out of $4 x^{2}$ .

$2 (2 x^{2}) - 8 x + 10$

Step 2

Factor $2$ out of $- 8 x$ .

$2 (2 x^{2}) + 2 (- 4 x) + 10$

Step 3

Factor $2$ out of $10$ .

$2 (2 x^{2}) + 2 (- 4 x) + 2 (5)$

Step 4

Factor $2$ out of $2 (2 x^{2}) + 2 (- 4 x)$ .

$2 (2 x^{2} - 4 x) + 2 (5)$

Step 5

Factor $2$ out of $2 (2 x^{2} - 4 x) + 2 (5)$ .

$2 (2 x^{2} - 4 x + 5)$

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