anonymous
  • anonymous
(3ab+9a-2)-(-5ab+4)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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hybrik
  • hybrik
To solve this you have to simplify the 2nd polynomial in parathenses
hybrik
  • hybrik
-(-5ab+4) is simplified to 5ab-4, then 3ab+9a-2+5ab-4
anonymous
  • anonymous
I get -2ab+9a+2

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hybrik
  • hybrik
That is incorrect because you simplified the binomial wrong, as shown above it is simplified to 5ab-4
hybrik
  • hybrik
With the proper simplification of 5ab-4, what would be the answer?
anonymous
  • anonymous
5ab-9a-4
hybrik
  • hybrik
You have 3ab+5ab+9a-6, 5ab-9a-4 is not correct
anonymous
  • anonymous
5ab-4 isn't correct either, I'm supposed to find the difference of the two polynomials, the answer should be a trinomial

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