Question

Simplify (3+√2) (3-√2)​

Answer 1

$(x + y)(x - y) = {x}^{2} - {y}^{2} \\ (3 + \sqrt{2} )(3 - \sqrt{2} ) = {3}^{2} - { \sqrt{2} }^{2} \\ = 9 - 2 = 7$

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Answer 2

ANSWER❤❤↙️↙️

$(3 + \sqrt{2} )(3 - \sqrt{2})$

=

$3 {}^{2} - (\sqrt{2} ) {}^{2} = 9 -2 = 7$

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