Question

simplify (3 + √5)(3 - √5)​

Answer 1

Step-by-step explanation:

(3+√5)(3-√5)

It is in the form of (a+b)(a-b)=a^2-b^2

=((3)^2-(√5)^2)

=(9-5)

=4

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Answer 2

Answer:

4

Step-by-step explanation:

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