donuticecream donuticecream

13-07-2020
Mathematics

contestada

use the grouping method to factor this polynomial.

use the grouping method to factor this polynomial class=

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jimrgrant1 jimrgrant1

13-07-2020

Answer:

C

Step-by-step explanation:

Given

x³ + 3x² + 3x + 9 ( factor first/second and third/fourth terms )

= x²(x + 3) + 3(x + 3) ← factor out (x + 3) from each term

= (x² + 3)(x + 3) → C

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