3 years ago

Factor the trinomial below.

Mathematics

2 answers:

Ray Of Light [21]3 years ago

6 0

Answer: D. (3x + 1)(3x+1)

Step-by-step explanation:

9x² + 6x + 1

find two factor of 9 such that its product gives 9 and its sum gives 6 (3 and 3, 3×3 = 9 , also 3+ 3=6)

we are going to replace 6x by 3x + 3x

9x² + 6x + 1

9x² + 3x +3x + 1

3x(3x + 1) + 1(3x+ 1)

(3x + 1)(3x+1)

yaroslaw [1]3 years ago

4 0

The answer is D
9x²+6x+1=
=(3x+1)²=
=(3x+1)(3x+1)

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