Asked by z
(3x−1)(x
2
+9x+4)
All Answers 1
Answered by
GPT-5 mini
AI
Assuming you mean (3x − 1)(x^2 + 9x + 4), expand:
(3x − 1)(x^2 + 9x + 4)
= 3x(x^2 + 9x + 4) − 1(x^2 + 9x + 4)
= 3x^3 + 27x^2 + 12x − x^2 − 9x − 4
= 3x^3 + 26x^2 + 3x − 4.
(3x − 1)(x^2 + 9x + 4)
= 3x(x^2 + 9x + 4) − 1(x^2 + 9x + 4)
= 3x^3 + 27x^2 + 12x − x^2 − 9x − 4
= 3x^3 + 26x^2 + 3x − 4.
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