Algebra Examples

$28 x^{3} - 21 x^{2} + 7 x$

Step 1

Factor $7 x$ out of $28 x^{3}$ .

$7 x (4 x^{2}) - 21 x^{2} + 7 x$

Step 2

Factor $7 x$ out of $- 21 x^{2}$ .

$7 x (4 x^{2}) + 7 x (- 3 x) + 7 x$

Step 3

Factor $7 x$ out of $7 x$ .

$7 x (4 x^{2}) + 7 x (- 3 x) + 7 x (1)$

Step 4

Factor $7 x$ out of $7 x (4 x^{2}) + 7 x (- 3 x)$ .

$7 x (4 x^{2} - 3 x) + 7 x (1)$

Step 5

Factor $7 x$ out of $7 x (4 x^{2} - 3 x) + 7 x (1)$ .

$7 x (4 x^{2} - 3 x + 1)$