Find $\displaystyle -x^2$ when x=2

Is it 4 or -4?

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- Feb 27th 2009, 06:02 PMjkamiFind x
Find $\displaystyle -x^2$ when x=2

Is it 4 or -4? - Feb 27th 2009, 07:22 PMmr fantastic
- Feb 27th 2009, 07:22 PMmanjohn12
- Feb 27th 2009, 08:00 PMDengXiang