sasha176
sasha176 sasha176
  • 23-04-2017
  • Mathematics
contestada

Find the sum: (6x^2+5x-3 )+ (x^2-9)

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BackPacker99
BackPacker99 BackPacker99
  • 23-04-2017
In order to do this, all we need to do is combine like terms.  The parenthesis do not matter.  In order to make it easier to see, I will move the similar numbers next to each other first, and then add them.

[tex]6 x^{2} + x^{2} +5x-3-9=7 x^{2} +5x-12[/tex]

So, 7x^2 + 5x - 12 is the answer.


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