Basic Math Examples

$\frac{3 k}{10} \cdot \frac{(k - 7) (k + 1)}{3 k (k + 1)}$

Step 1

Cancel the common factor of $3 k$ .

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Step 1.1

Cancel the common factor.

$\frac{3 k}{10} \cdot \frac{(k - 7) (k + 1)}{3 k (k + 1)}$

Step 1.2

Rewrite the expression.

$\frac{1}{10} \cdot \frac{(k - 7) (k + 1)}{k + 1}$

Step 2

Multiply $\frac{1}{10}$ by $\frac{(k - 7) (k + 1)}{k + 1}$ .

$\frac{(k - 7) (k + 1)}{10 (k + 1)}$

Step 3

Cancel the common factor of $k + 1$ .

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Step 3.1

Cancel the common factor.

$\frac{(k - 7) (k + 1)}{10 (k + 1)}$

Step 3.2

Rewrite the expression.

$\frac{k - 7}{10}$