math: don't understand how to simplify | 2 + 3 ( -4 )  TOPIC_SOLVED

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math: don't understand how to simplify | 2 + 3 ( -4 )

Postby ladyj1 on Tue Aug 11, 2009 7:41 pm

IHello, I don't understand how to simplify this math problem.
|2+3(-4)
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Re: math: don't understand how to simplify | 2 + 3 ( -4 )  TOPIC_SOLVED

Postby QM deFuturo on Tue Aug 11, 2009 8:15 pm

Is this an absolute value problem? If so the last line of the absolute value symbol was left out of your original problem. I'm going to assume this is supposed to be

|2+3(-4)|

First, just solve the inside part of the absolute value, i.e.,

2+3(-4)

Do you know how to solve this?

Then remember the definition of absolute value:

|x| = x when x > 0
|x| = -x when x < 0

So after you solve the first part, treat the result as "x" and apply the above rules.

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Re: math: don't understand how to simplify | 2 + 3 ( -4 )

Postby ladyj1 on Wed Aug 12, 2009 5:13 pm

Thank you very much. you were very prompt with replying

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