thohong2001
thohong2001 thohong2001
  • 15-08-2020
  • Mathematics
contestada

PLEASE HELP ME, I DON'T UNDERSTAND! :(

PLEASE HELP ME I DONT UNDERSTAND class=

Respuesta :

ronhagrid310
ronhagrid310 ronhagrid310
  • 15-08-2020

Answer:

x^2 + 3x - 1

Step-by-step explanation:

  x^3 +5x^2 + 5x - 2

= x^3 + 2x^2 + 3x^2 + 6x - x - 2

= (x^3 + 2x^2) + (3x^2 + 6x) - (x + 2)

= x^2(x + 2) + 3x(x + 2) - (x + 2)

= (x^2 + 3x - 1)(x + 2)

Area = x^3 +5x^2 + 5x - 2 = (x^2 + 3x - 1)(x + 2)

Width = (x + 2)

Then, length = (x^2 + 3x - 1)

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