Which of the following represents the factorization of the trinomial below?
x^2+ 6x + 9
a. (x+2)(x-3
b. (x-3)?
c. (x-2)(x-3)
d. (x+3)?

(x + 3)²

Step-by-step explanation:

Given

x² + 6x + 9

This is a perfect square of the form

(x + a)² = x² + 2ax + a²

Compare like terms

a² = 9 ⇒ a = 3 and 2a = 2 × 3 = 6, thus

x² + 6x + 9 = (x + 3)² → D

2 and 1.

step-by-step explanation:

plug in each answer. 0 doesn't work, 1 does. so does 2. 4 doesn't:

0 = 1 is not true.

2 = 2 is true.

4 = 4 is true.

8 = 16 is not true.

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