ccjordan22 ccjordan22
  • 16-12-2020
  • Mathematics
contestada

(3x+5)(3x+9) express as a trinomial

Respuesta :

kiwibird0316 kiwibird0316
  • 16-12-2020

Answer:

9x^2+42x+45

Step-by-step explanation:

Foil (3x+5)(3x+9) by taking the numbers in the left parenthesis and multiplying it by the numbers on the right. So 3x(3x), then 3x(9), then 5(3x) and 5(9). Now we have 9x^2 + 27x+15x+45, simplify to get 9x^2+42x+45.

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