chief91 chief91
  • 02-05-2019
  • Mathematics
contestada

What is the answer to this

What is the answer to this class=

Respuesta :

vincy54 vincy54
  • 02-05-2019

5x^2 + 7x - 4 - (-3x^2 -4x + 5)

= 5x^2 + 7x - 4 + 3x^2 + 4x - 5

= 8x^2 + 11x - 9

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