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Alg 1 adding/subtracting with rational expression

Alg 1 adding/subtracting with rational expression-example-1
User Anselma
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2 Answers

3 votes

Answer:

-4a + 4/ a^2 + 7a +6

User Naxi
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2 votes


\qquad\qquad\huge\underline{{\sf Answer}}

Let's evaluate ~

As the denominator of both the terms is same, we can simply perform subtraction on numerator.

That is :


\qquad \sf  \dashrightarrow \: \frac{a - 2}{ {a}^(2) + 7a + 6 } - \frac{5a - 6}{ {a}^(2) + 7a + 6 }


\qquad \sf  \dashrightarrow \: \frac{a - 2 - (5a - 6)}{ {a}^(2) + 7a + 6 }


\qquad \sf  \dashrightarrow \: \frac{a - 2 - 5a + 6}{ {a}^(2) + 7a + 6 }


\qquad \sf  \dashrightarrow \: \frac{ - 4a + 4}{ {a}^(2) + 7a + 6 }

User David Frick
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