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.