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Bond [772]
3 years ago
11

Express as a trinomial. (3x + 7)(3x + 4)

Mathematics
1 answer:
timama [110]3 years ago
5 0

Answer:

9x² + 33x + 28

Step-by-step explanation:

(3x + 7)(3x + 4)\\= 3x(3x + 4) + 7(3x + 4)\\= 9x^2 + 12x + 21x + 28\\= 9x^2 + 33x + 28

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