What is 9 square root of 40 simplified?

1 Answer
Jim G.
Mar 30, 2018

18sqrt10

Explanation:

"using the "color(blue)"law of radicals"

•color(white)(x)sqrtaxxsqrtbhArrsqrt(ab)

rArr9xxsqrt40

=9xxsqrt(4xx10)

=9xxsqrt4xxsqrt10

=9xx2xxsqrt10=18sqrt10

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