How do you simplify #(sqrtx-y)(sqrtx+y)#?
2 Answers
See the solution process below:
Explanation:
This problem is a special form and can follow the rule:
Substituting
We can also multiply these two terms the long way to obtain the same answer. To multiply these two terms you multiply each individual term in the left parenthesis by each individual term in the right parenthesis.
Explanation:
In general
If we let
then
and if we let
then
So
is equivalent to