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Help with signs: Last sign is positive: both signs will be the same as the middle number. Last sign is negative: signs will be different, the bigger numbers gets the same sign as the middle number.

	Last sign: +	Last sign: -
Middle sign: +	Both: +	Bigger #: + Smaller # : -
Middle sign: -	Both: -	Bigger #: - Smaller # : +

#ExponentsAndPolynomials