Ask your own question, for FREE!
Mathematics 12 Online
OpenStudy (anonymous):

[7.07] Choose the correct product of (5x – 3)(5x + 3). A.25x2 + 30x + 9 B.25x2 − 9 C.25x2 + 9 D.25x2 − 30x + 9

OpenStudy (anonymous):

To solve this, you use the FOIL method. Do you know what that is?

OpenStudy (anonymous):

F = First O = Outside I = Inner L = Last

OpenStudy (anonymous):

So (5x - 3)(5x + 3) is (5x * 5x) + (5x * 3) + (-3 * 5x) + (-3 * 3) Can you solve it from there? Or...?

OpenStudy (anonymous):

Yeah, I think i've got it. Thank you (:

OpenStudy (anonymous):

No problem!

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!