How do you simplify $(5 + sqrt 3)(5 - sqrt 3)$ ?

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Answer 1 · 2018-03-22T10:11:17

$22$

We have $(a+b)(a-b)$ which is the factored form of $a^2-b^2$

$a=5$
$b=sqrt3$

$5^2-sqrt(3)^2=25-3=22$

How do you simplify (5 + sqrt 3)(5 - sqrt 3)(5 + sqrt 3)(5 - sqrt 3)?