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2 answers

No. You're done with that problem.

2006-12-12 12:18:36 · answer #1 · answered by salsera 5 · 0 1

Yes, it can. (4 - x) = -(x - 4), so the whole thing reduces to -1.

2006-12-12 20:29:38 · answer #2 · answered by Anonymous · 0 1

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