Ask your own question, for FREE!
Mathematics 8 Online
OpenStudy (anonymous):

Find the product of (4x − 3y)2. Please help

OpenStudy (ryan123345):

distribute

OpenStudy (anonymous):

8x-6y

OpenStudy (kamille):

well, you know there is a formula \[(a-b)^{2}=a ^{2}-2ab+b ^{2}\] your a=4x b=3y

OpenStudy (anonymous):

multiply 2 by 4x then multiply 2 by -3y and get 8x-6y

OpenStudy (anonymous):

I know the formula and have gotten 8x-6y but thats not one of the answer choices

OpenStudy (anonymous):

@Kamille thats the wong formula

OpenStudy (anonymous):

then the answers are wrong

OpenStudy (kamille):

(4x − 3y)2 or \[(4x − 3y)^{2}\]

OpenStudy (anonymous):

wrong*

OpenStudy (kamille):

because there is a difference between this

OpenStudy (anonymous):

here are the answer choices 16x^2 + 24xy + 9y^2 16x^2 − 9y^2 16x^2 − 24xy + 9y^2 16x^2 + 9y^2

OpenStudy (anonymous):

its D

OpenStudy (anonymous):

sry @Kamille u were right

OpenStudy (anonymous):

could you tell me what I did wrong

OpenStudy (kamille):

\[\[(4x − 3y)^{2}=(4x)^{2}-2*4x*3y+(3y)^{2}\]

OpenStudy (kamille):

Do you know the difference between (a+b)2 and \[(a+b)^{2}\]

OpenStudy (anonymous):

yes i do

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!