Asked by V
Simplify the radical expression.
(3+√6)(3 - √6)
A. -27 <---?
B. 3
C. 9+6√6
D. 15+6√6
(3+√6)(3 - √6)
A. -27 <---?
B. 3
C. 9+6√6
D. 15+6√6
Answers
Answered by
mathhelper
no
(3+√6)(3 - √6)
= 9 - 6
= 3
(√6)(√6) = 6 , using property √x*√x = x
(3+√6)(3 - √6)
= 9 - 6
= 3
(√6)(√6) = 6 , using property √x*√x = x
Answered by
V
Ohhh okay, I understand it now. Thank you =)
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