Algebra Examples

$(21 x^{2} + 28 x)$

Step 1

Remove parentheses.

$21 x^{2} + 28 x$

Step 2

Factor $7 x$ out of $21 x^{2} + 28 x$ .

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Step 2.1

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

$7 x (3 x) + 28 x$

Step 2.2

Factor $7 x$ out of $28 x$ .

$7 x (3 x) + 7 x (4)$

Step 2.3

Factor $7 x$ out of $7 x (3 x) + 7 x (4)$ .

$7 x (3 x + 4)$

$7 x (3 x + 4)$

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