SOLUTION: HELLO MAY SOMEONE HELP ME WITH THIS PROBLEM IM STUCK IM HAVING A DIFFICULT TIME IN ALGEBRA.
FOIL these polynomials
(3x + 5y)(3x - 5y)
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Question 149104: HELLO MAY SOMEONE HELP ME WITH THIS PROBLEM IM STUCK IM HAVING A DIFFICULT TIME IN ALGEBRA.
FOIL these polynomials
(3x + 5y)(3x - 5y)
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The way I look at it is, each term inside both parentheses gets
multiplied by each term in side the other parenthesis
for practice:
Remember gets multiplied by EACH term in the other parenthesis
and also gets multiplied by EACH term in the other parenthesis
Now for times the other terms
The answer is:
Think of your problem as
where
Following my method,
Now just substitute terms
answer
How can I check this answer? One way is to pick values
for and and see if answer checks OK
Let
Let
Now check my answer:
OK
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