Question

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)

Answer 1

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