SOLUTION: combine the radicals below. show your steps.
11. 4 and square root of 11 + 8 and square root of 11
12. square root of 80 - square root of 5
please help me!!!
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Question 252922: combine the radicals below. show your steps.
11. 4 and square root of 11 + 8 and square root of 11
12. square root of 80 - square root of 5
please help me!!!
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
combine the radicals below. show your steps.
--
11. 4 and square root of 11 + 8 and square root of 11
I think you mean
Think of sqrt(11) as X.
So, we get
--
12. square root of 80 - square root of 5
=
So, 4*sqrt(5) - sqrt(5) = 3sqrt(5)
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