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Popular >

simplify 7sqrt(9)

Solution

simplify

79

Solution

21

Solution steps

79

Factor the number:

9 = 3^{2}

= 7 3^{2}

Apply radical rule:

a^{2} = a, a \geq 0

3^{2} = 3

= 7 \cdot 3

Multiply the numbers:

7 \cdot 3 = 21

= 21

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Frequently Asked Questions (FAQ)

What is 7sqrt(9) ?
The solution to 7sqrt(9) is 21