danynegrette05 danynegrette05
  • 18-06-2020
  • Mathematics
contestada

If A = 3x² + 5x - 6 and B --2x2 - 6x + 7, then A - B equals?

Respuesta :

ronhagrid310
ronhagrid310 ronhagrid310
  • 18-06-2020

Answer:

x^2 + 11x - 13

Step-by-step explanation:

A = 3x^2 + 5x - 6

B = 2x^2 - 6x + 7

=> A - B = (3x^2 + 5x - 6) - (2x^2 - 6x + 7)

             = (3x^2 - 2x^2) + (5x + 6x) - (6 + 7)

             = x^2 + 11x - 13

I hope this helps!

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