Pre-Algebra Examples

$\frac{6 (5 x^{2} + 23 x^{2} + 24 x + 48)}{5 (x^{3} + 46 x^{2} + 336 x + 672)}$

Step 1

Simplify the numerator.

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Step 1.1

Add $5 x^{2}$ and $23 x^{2}$ .

$\frac{6 (28 x^{2} + 24 x + 48)}{5 (x^{3} + 46 x^{2} + 336 x + 672)}$

Step 1.2

Factor $4$ out of $28 x^{2} + 24 x + 48$ .

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Step 1.2.1

Factor $4$ out of $28 x^{2}$ .

$\frac{6 (4 (7 x^{2}) + 24 x + 48)}{5 (x^{3} + 46 x^{2} + 336 x + 672)}$

Step 1.2.2

Factor $4$ out of $24 x$ .

$\frac{6 (4 (7 x^{2}) + 4 (6 x) + 48)}{5 (x^{3} + 46 x^{2} + 336 x + 672)}$

Step 1.2.3

Factor $4$ out of $48$ .

$\frac{6 (4 (7 x^{2}) + 4 (6 x) + 4 (12))}{5 (x^{3} + 46 x^{2} + 336 x + 672)}$

Step 1.2.4

Factor $4$ out of $4 (7 x^{2}) + 4 (6 x)$ .

$\frac{6 (4 (7 x^{2} + 6 x) + 4 (12))}{5 (x^{3} + 46 x^{2} + 336 x + 672)}$

Step 1.2.5

Factor $4$ out of $4 (7 x^{2} + 6 x) + 4 (12)$ .

$\frac{6 (4 (7 x^{2} + 6 x + 12))}{5 (x^{3} + 46 x^{2} + 336 x + 672)}$

$\frac{6 \cdot 4 (7 x^{2} + 6 x + 12)}{5 (x^{3} + 46 x^{2} + 336 x + 672)}$

Step 1.3

Multiply $6$ by $4$ .

$\frac{24 (7 x^{2} + 6 x + 12)}{5 (x^{3} + 46 x^{2} + 336 x + 672)}$

Step 2

Apply the distributive property.

$\frac{24 (7 x^{2}) + 24 (6 x) + 24 \cdot 12}{5 (x^{3} + 46 x^{2} + 336 x + 672)}$

Step 3

Simplify.

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Step 3.1

Multiply $7$ by $24$ .

$\frac{168 x^{2} + 24 (6 x) + 24 \cdot 12}{5 (x^{3} + 46 x^{2} + 336 x + 672)}$

Step 3.2

Multiply $6$ by $24$ .

$\frac{168 x^{2} + 144 x + 24 \cdot 12}{5 (x^{3} + 46 x^{2} + 336 x + 672)}$

Step 3.3

Multiply $24$ by $12$ .

$\frac{168 x^{2} + 144 x + 288}{5 (x^{3} + 46 x^{2} + 336 x + 672)}$

Step 4

Split the fraction $\frac{168 x^{2} + 144 x + 288}{5 (x^{3} + 46 x^{2} + 336 x + 672)}$ into two fractions.

$\frac{168 x^{2} + 144 x}{5 (x^{3} + 46 x^{2} + 336 x + 672)} + \frac{288}{5 (x^{3} + 46 x^{2} + 336 x + 672)}$

Step 5

Split the fraction $\frac{168 x^{2} + 144 x}{5 (x^{3} + 46 x^{2} + 336 x + 672)}$ into two fractions.

$\frac{168 x^{2}}{5 (x^{3} + 46 x^{2} + 336 x + 672)} + \frac{144 x}{5 (x^{3} + 46 x^{2} + 336 x + 672)} + \frac{288}{5 (x^{3} + 46 x^{2} + 336 x + 672)}$