SOLUTION: Please help. I need to Thanks in advance!
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Algebra: Square root, cubic root, N-th root
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Question 88352
:
Please help.
I need to
Thanks in advance!
Answer by
malakumar_kos@yahoo.com(315)
(
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):
You can
put this solution on YOUR website!
simplify (3-2 square root 7)(3+2 square root 7).
(3-2 square root 7).(3+2 square root 7).
(3)^2 - (2 square root 7)^2 [use formula (a+b).(a-b) = a^2-b^2]
9 - 7
= 2
(