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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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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

User Deeko
by
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1 Answer

6 votes
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.
User Hamza Waleed
by
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