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Ellen061
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how come the 1 within the brackets is a neg. 1 and not minus 1?
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in problem 1 of simplifying there is no way to know that is not minus 2x or negative 2x...she said it, but i am confused...it looks lik plus 9 minus 2x..how can i ever tell the difference for good
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when simplifying an expression...there is no way i can tell when its a negative sign as opposed to a minus sign...it is destroying my ability to simplify..
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