3.simplifyyyyyyyyyyyyyyyyyyy
2 answers:
Answer:
C. 7
Step-by-step explanation:
Answer:
(3+√2)(3-√2) = 7
Step-by-step explanation:
We have given a expression.
(3+√2)(3-√2)
We have to simplify above expression.
We use difference formula to solve above expression.
(a-b)(a+b) = a²-b²
(3+√2)(3-√2) = (3)²-(√2)²
(3+√2)(3-√2) = 9-2
(3+√2)(3-√2) = 7 which is the answer.
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