Simplify (5+√7)(5-√7)
Answers
Answered by
1
Answer:
5²-√7²
25-7
18 is the answer
Answered by
8
Step-by-step explanation:
(x+y)(x-y)=x²-y²
(5+√7)(5-√7)=5²-√7²
=25-7
=18
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