Algebra Examples

$\sqrt{7} \cdot \sqrt{7}$

Step 1

Combine using the product rule for radicals.

$\sqrt{7 \cdot 7}$

Step 2

Write the expression using exponents.

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Step 2.1

Multiply $7$ by $7$ .

$\sqrt{49}$

Step 2.2

Rewrite $49$ as $7^{2}$ .

$\sqrt{7^{2}}$

Step 3

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

$7$