Ask your own question, for FREE!
Mathematics 14 Online
OpenStudy (anonymous):

(9x+2)(9x-2)

OpenStudy (anonymous):

81x^2-4

OpenStudy (anonymous):

Using identity (a+b)(a-b) = a^2 - b^2 = (9x)^2 - (2)^2 = 81x^2 - 4

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!