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27-11-2016
Mathematics

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How do I add and subtract rational expressions?

How do I add and subtract rational expressions class=

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angel20024 angel20024

27-11-2016

since u brought up the 15 combining like terms it would be 4+15 which =19 and the bottom bringing 2x down makes it -2x so (3x+x^2+2x-2x) would =3x^2 (three x squared)

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