How do you multiply (sqrt4 - sqrt9) * (sqrt4 + sqrt9)?
1 Answer
Jun 12, 2018
Explanation:
"simplify the factors"
(sqrt4-sqrt9)(sqrt4+sqrt9)
=(2-3)(2+3)=-1xx5=-5
"simplify the factors"
(sqrt4-sqrt9)(sqrt4+sqrt9)
=(2-3)(2+3)=-1xx5=-5