rojas21 rojas21
  • 14-03-2019
  • Mathematics
contestada

the area of a rectangle is 8x^2 + 2x-1. the width of the rectangle is 4x-1. what is the length of the rectangle

Respuesta :

daphnewong
daphnewong daphnewong
  • 19-03-2019

Answer:

(2x+1)

Step-by-step explanation:

since area = length * width, you can factor the area to get the length (since you are given the width)

8x^2 + 2x - 1 = (4x-1) (2x+1)

since width is 4x-1, length must be 2x+1

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