# How do you simplify #\frac { 12x + 12} { 3- \frac { 3} { x^ { 2} } }#?

First we will calculate the denominator separately:

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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- How do you simplify #(2/b)/(4/(b-3))#?
- How do you solve #1/(2(x-3))+3/(2-x)=5 x#?

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