SOLUTION: Studying for final tomorrow having trouble understanding how to simplify radical equations. Need help fast please. example:6√7 - 2 √28 and √32 ∙ &#

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Question 142722This question is from textbook Prentice Hall Mathmatics
: Studying for final tomorrow having trouble understanding how to simplify radical equations. Need help fast please.
example:6√7 - 2 √28
and
√32 ∙ √144
This question is from textbook Prentice Hall Mathmatics

Found 2 solutions by Edwin McCravy, stanbon:
Answer by Edwin McCravy(20054)   (Show Source): You can put this solution on YOUR website!
example:



Change to





and

Write as
and write as




Edwin

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
example:
6√7 - 2 √28
= 6*sqrt(7) - 2*sqrt(4*7)
= 6*sqrt(7) - 2*2*sqrt(7)
= 6*sqrt(7) - 4*sqrt(7)
= 2*sqrt(7)
============================
and
√32 ∙ √144
= sqrt(16*2) * sqrt(144)
= 4*sqrt(2) *12
= 48*sqrt(2)
================
Cheers,
Stan H.

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