SOLUTION: √10a + 2√40a^3 I can't find the instructions in my reading! I think I have to factor something, but I have no idea.

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Question 541672: √10a + 2√40a^3
I can't find the instructions in my reading! I think I have to factor something, but I have no idea.

Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
+
:
Factor the 2nd term inside the radical to reveal some perfect squares
+
:
Extract the square root of those perfect squares
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+
:
Factor out the square root of 10a
(4a + 1)

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