Determine whether 4x2 + 6x + 9 is a perfect square. If so, factor it. If not, explain why.
A. No, 4x2 + 6x + 9 is not a perfect square.
4x2 and 9 are perfect squares, but 6x is not equal to 2 (2x) (3).
So 4x2 + 6x + 9 is not a perfect square.
B. Yes, 4x2 + 6x + 9 is a perfect square.
(2x + 3) 2
C. Yes, 4x2 + 6x + 9 is a perfect square.
(2x - 3) 2
D. No, 4x2 + 6x + 9 is not a perfect square.
4x2 and 9 are perfect squares, but 6x is not a perfect square.
So 4x2 + 6x + 9 is not a perfect square.
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