live4dramaoy0yf9 live4dramaoy0yf9

21-03-2018
Mathematics

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Explain why the polynomial 144x^2 − 200x + 81 is not a perfect square. HELP PLEASE!!

A. 81x ≠ 2(20x ∙ 9)
B. 144x ≠ 2(20x ∙ 12)
C. 200x ≠ 2(9x ∙ 12)
D. 200x ≠ 2(12x ∙ 9)

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MrGumby MrGumby

21-03-2018

D. The middle term does not equal the outer terms multiplied together * 2.

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