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21-03-2018
Mathematics

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Identify the trinomial that is a perfect square. HELP ASAP
A.64x^2 − 90x + 25
B.64x^2 − 70x + 25
C. 81x^2 − 70x + 16
D. 81x^2 − 72x + 16

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MrGumby MrGumby

28-03-2018

D. (9x-4)^2

You can get this by taking the square roots of the outside terms. Then multiply them together and then by 2. For this you should get the middle term.

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