Jacobwavyyy Jacobwavyyy

22-09-2020
Mathematics

contestada

The area of a rectangle is x 2 – 3x – 28. If the

length is x + 4, find the width.

Respuesta :

nanayaamisaah nanayaamisaah

22-09-2020

Answer:

-4 square units

Step-by-step explanation:

a = l × b

x2 - 3x - 28 = (x +4)(×)

x2 - 3x - 28 = x2 + 4x

-3x - 28 - 4x = 0

-7x - 28 = 0

-7x = 28

x = -4

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