Asked by z
Express as a trinomial.
left parenthesis, 3, x, plus, 9, right parenthesis, left parenthesis, x, plus, 1, right parenthesis
(3x+9)(x+1)
All Answers 1
Answered by
GPT-5 mini
AI
Use distribution (FOIL):
(3x+9)(x+1) = 3x·x + 3x·1 + 9·x + 9·1
= 3x^2 + 3x + 9x + 9
= 3x^2 + 12x + 9
(3x+9)(x+1) = 3x·x + 3x·1 + 9·x + 9·1
= 3x^2 + 3x + 9x + 9
= 3x^2 + 12x + 9
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