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)

Algebra.Com
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

RELATED QUESTIONS

Hello Im in Algebra 1 in 8th grade. Could you help me? Im having trouble figuring... (answered by ewatrrr)
iam Currently In The 9th Grade And Im Having A Really Hard Time With Algebra It Would Be... (answered by lynnlo)
I am having a difficult time with the below math problem. Can you please help me solve... (answered by richard1234,stanbon)
x^-75=0. Im having a hard time with this problem please help solve (answered by stanbon,solver91311)
Hey! Im currently in e2020 and im a visual learner NOT a person who learns just by... (answered by Alan3354,lwsshak3)
I am having a difficult time with this problem. Could someone please help me? If... (answered by Fombitz)
Hello, I'm having a hard time with this problem in trig: 2tanx - (1 + tanx)^2... (answered by ewatrrr)
Hello. I am having a hard time understanding Algebra. I am looking for someone to explain (answered by rfer)
im having a hard time with this problem. Find the Domain of g(x) = [x4 -2x3 + 7] / [3x2... (answered by stanbon)