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5. Which of the following is a perfect square trinomial? A. x^2 + 9x + 18 C. 3x²+ 10x +3 B. x²+ 6x +9 D. x²-4

5. Which of the following is a perfect square trinomial? A. x^2 + 9x + 18 C. 3x²+ 10x +3 B. x²+ 6x +9 D. x²-4
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5 votes
5. Which of the following is a perfect square trinomial?

A. x^2 + 9x + 18
C. 3x²+ 10x +3
B. x²+ 6x +9
D. x²-4

User Dark Castle
by
7.9k points

1 Answer

5 votes

Answer:

Explanation:

B)

x² + 6*x + 9 = x² + 2*x*3 +3² = (x + 3)²

User Timothy Aaron
by
8.6k points
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