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Question

Simplify the radical expression.
(3+√6)(3 - √6)
A. -27 <---?
B. 3
C. 9+6√6
D. 15+6√6
3 years ago

Answers

mathhelper
no
(3+√6)(3 - √6)
= 9 - 6
= 3

(√6)(√6) = 6 , using property √x*√x = x
3 years ago
V
Ohhh okay, I understand it now. Thank you =)
3 years ago

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