Posted by **I NEED HELPPPP!*** on Tuesday, May 20, 2008 at 5:28pm.

CAN SOMEONE PLEASE HELPPP!? I NEED HELP IN ALGEBRA, SIMPLIFYING RADICALS! SIMPLIFY THE SQUARE ROOT OF 45a SQUARED!

- algebra -
**Sarah**, Tuesday, May 20, 2008 at 5:43pm
I believe the answer is 3a square root of 5a.

- algebra -
**Reiny**, Tuesday, May 20, 2008 at 5:50pm
√)45a^2)

=√9 * √5 * √a^2

= 3a√5

- algebra -
**Chris**, Tuesday, May 20, 2008 at 5:50pm
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.

Squaring your answer would check to see if you have the correct answer.

Thus mine is the correct one. Sarah was close.

- algebra -
**I NEED HELPPPP!***, Tuesday, May 20, 2008 at 5:53pm
thank you sarah reiny and chris !

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