Question

Please help me simplify this rational expression

Answer 1

1 (x+1)

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3(x+2)

Explanation:

4(x^2-1)

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12(x+2) (x-1)

Factor the numerator

4(x-1) (x+1)

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12(x+2) (x-1)

Cancel the x-1 from both the numerator and denominator

4 (x+1)

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12(x+2)

Both 4 and 12 can be divided by 4

1 (x+1)

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3(x+2)

This is as simplified as it can go