Math, asked by aaftabkhan02786, 6 months ago

Simplify (5+√7) (5-√7)

Answers

Answered by himkar57

2

Answer:

-2

Step-by-step explanation:

a^2-b^2

by use it

5-7

-2

Answered by wwwuamuam

21

formula :

(a+b)(a-b) =a^2 -b^2

(5+√7)(5-√7)

=5^2 -(√7)^2

=25 - 7

=18

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