Question

Simplify ($5$+$\sqrt{3}$) ($5$-$\sqrt{3}$)

Answer 1

Using the properties,
($a$+$\sqrt{b}$) ($a$-$\sqrt{b}$) = $a^2$ - b

Therefore,
($5$+$\sqrt{3}$) ($5$-$\sqrt{3}$) = $5^2$- 3
= 25-3
= 22