Pre-Algebra Examples

$\frac{7 x^{2} + 8 x^{2} + 9}{x^{3}}$

Step 1

Add $7 x^{2}$ and $8 x^{2}$ .

$\frac{15 x^{2} + 9}{x^{3}}$

Step 2

Factor $3$ out of $15 x^{2} + 9$ .

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Step 2.1

Factor $3$ out of $15 x^{2}$ .

$\frac{3 (5 x^{2}) + 9}{x^{3}}$

Step 2.2

Factor $3$ out of $9$ .

$\frac{3 (5 x^{2}) + 3 (3)}{x^{3}}$

Step 2.3

Factor $3$ out of $3 (5 x^{2}) + 3 (3)$ .

$\frac{3 (5 x^{2} + 3)}{x^{3}}$

$\frac{3 (5 x^{2} + 3)}{x^{3}}$

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