pebbles2005
pebbles2005 pebbles2005
  • 03-03-2019
  • Mathematics
contestada

Can someone help with this please

Can someone help with this please class=

Respuesta :

MrsStrong
MrsStrong MrsStrong
  • 06-03-2019

Answer:

22x^2 -10xy + 12x

Step-by-step explanation:

To add and subtract polynomials, combine only like terms. When doing it vertically, stack polynomials and line up the same bases and exponents. Once this is done, simply add and subtract the coefficients.

  10x^2 + 12xy + 4x

+ 12x^2 -22xy + 8x

_________________

22x^2 -10xy + 12x

Here we added 10 + 12 = 22, 12 + -22 = -10 and 4 + 8 = 12.

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