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White raven [17]
2 years ago
13

Express as a trinomial. (x + 9) (3x + 9)

Mathematics
2 answers:
olasank [31]2 years ago
3 0

Answer:

3x^2+36x+81

Step-by-step explanation:

(x+9)(3x+9)=3x^{2} +9x+37x+81

Vesnalui [34]2 years ago
3 0

⇛(x + 9) (3x + 9)

⇛x(3x+9) + 9(3x+9)

⇛3x² + 9x + 18x + 81

⇛3x² + 27x + 81

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