3 years ago

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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