# algebra

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1. I believe the answer is 3a square root of 5a.

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2. √)45a^2)
=√9 * √5 * √a^2
= 3a√5

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3. answer is actually : 3a square root of 5.

45a^2 simplied is 9a^2 x 5
square root of 9a^2 is 3a.
Square root of 5 is radical 5.

Thus mine is the correct one. Sarah was close.

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4. thank you sarah reiny and chris !

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5. oops, my bad. simple mistake.

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