madisonkrinop madisonkrinop

24-04-2020
Mathematics

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Which expression is the factored equivalent of 3x2 + 15x + 12? A. (x + 12)(3x - 3) B. (3x + 3)(x + 4) C. (3x + 4)(x + 3) D. (x + 3)(3x - 4)

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sanyarobinson sanyarobinson

24-04-2020

Answer:

B

Step-by-step explanation:

(3x+3)(x+4)

3x × x = 3x²

3x × 4 = 12x

3 × x = 3x

3 × 4 = 12

3x²+12x+3x+12

3x² + 15x + 12

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