Reduce the rational expression to lowest terms. If it is already in lowest terms, enter the expression in the answerbox. Also, s
pecify any restrictions on the variable.a²-3a-4/a² + 5a + 4Rational expression in lowest terms:Variable restrictions for the original expression: a
1 answer:
Factorize both quadratic polynomials, as shown below

Similarly,

Thus,

Therefore, since the denominator cannot be equal to zero.
<h2>The variable restrictions for the original expression are a≠-1,-4</h2>
Then, provided that a is different than -1,

<h2>The rational expression in the lowest terms is (x-4)/(x+4)</h2>
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