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Popular >

simplify sqrt(-7)sqrt(-63)

Solution

simplify

- 7 - 63

Solution

- 21

Solution steps

- 7 - 63

- 63 = 3 - 7

= - 7 \cdot 3 - 7

Apply radical rule:

a a = a, a \geq 0

- 7 - 7 = - 7

= - 7 \cdot 3

Multiply the numbers:

- 7 \cdot 3 = - 21

= - 21

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Frequently Asked Questions (FAQ)

What is sqrt(-7)sqrt(-63) ?
The solution to sqrt(-7)sqrt(-63) is -21