Basic Math Examples

$\sqrt{28} \sqrt{4} \div \sqrt{7}$

Step 1

Rewrite the division as a fraction.

$\frac{\sqrt{28} \sqrt{4}}{\sqrt{7}}$

Step 2

Combine $\sqrt{28}$ and $\sqrt{7}$ into a single radical.

$\sqrt{\frac{28}{7}} \sqrt{4}$

Step 3

Simplify the expression.

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Step 3.1

Divide $28$ by $7$ .

$\sqrt{4} \sqrt{4}$

Step 3.2

Rewrite $4$ as $2^{2}$ .

$\sqrt{2^{2}} \sqrt{4}$

Step 4

Pull terms out from under the radical, assuming positive real numbers.

$2 \sqrt{4}$

Step 5

Rewrite $4$ as $2^{2}$ .

$2 \sqrt{2^{2}}$

Step 6

Pull terms out from under the radical, assuming positive real numbers.

$2 \cdot 2$

Step 7

Multiply $2$ by $2$ .

$4$