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How do you subtract #9-12#?

Answer 1

If you are not comfortable subtracting a larger number from a smaller number, then you can first factor out #-1# from both terms.

#9-12=-(-9+12)=-(12-9)=-3#

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Answer 2

Kennedy Adams

To subtract 9 from 12, you can use the following calculation:

12 - 9 = 3

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Answer from HIX Tutor

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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