coolvibe12 coolvibe12
  • 11-06-2020
  • Mathematics
contestada

Please answer correctly !!!!!!!!! Will mark brianliest answer !!!!!!!!!!!!

Please answer correctly Will mark brianliest answer class=

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miathiele miathiele
  • 11-06-2020

Answer:

9x^2 +12x

Step-by-step explanation:

To find the area of a rectangle you need to multiply the length by the width. So,

3 by 3x^2 = 9x^2

3 by 4x = 12x

So the area of the entire rectangle is: 9x^2 + 12x

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