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Westkost [7]
3 years ago
15

Use the grouping method to factor the polynomial below completely. 3x^3 + 9x^2 + 4x + 12

Mathematics
1 answer:
Alex3 years ago
4 0

Answer:

(x+3)(3x^{2}+4)

Step-by-step explanation:

3x^{3}+9x^{2}+4x+12\\3x^{2}(x+3)+4(x+3)\\(x+3)(3x^{2}+4)

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