albg3093 albg3093
  • 20-04-2020
  • Mathematics
contestada

Jessica's farm is x + 9 miles long and 3x + 2 miles wide Which of the following choices represents the area of Jessica's farm?

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devishri1977
devishri1977 devishri1977
  • 20-04-2020

Answer:

Step-by-step explanation:

Area = length * width

= (x+9) (3x + 2)        {use FOIL method}

= x*3x + x*2 + 9*3x + 9*2

= 3x² + 2x + 27x +  18     {her 2x and 27x are like terms, so add them}

=3x² + 29x + 18

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