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Kuwillalean38
30.06.2019 •
Mathematics
Simplify (1-2z)(1+2z)i've already done the math and gotten - 4z^2+1 (which is correct when i check) but it's not in my list for the multiple choice question i'm on. the answers i have are the following: a) 1 - 4zb) 1 - 4z - 4z^2c) 4z^2 - 4z - 1d) 4z^2 - 1if someone could tell me which answer would be correct in this situation, that would be amazing. you to anyone who takes the time to figure this out!
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Ответ:
Step-by-step explanation:
(1-2z)(1+2z) = 1-4z^2
you don't have a correct choice given the problem
is it possible there is a negative out front of the problem
- (1-2z)(1+2z) = -(1-4z^2) = 4z^2 -1
Otherwise, send an email to your instructor
Ответ: