10-12-2019
Mathematics

contestada

Describe the error made in subtracting the two
rational expressions shown:

Describe the error made in subtracting the two rational expressions shown class=

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12-02-2020

Answer:

You must subtract all terms of the numerator being subtracted out, not just the first term.

The negative 2 should have been subtracted out to get a numerator of x+1-x+2

The simplified numerator of the difference should be 3, not –1.

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