Same signs give a positive: \(3 + (+2) = 3 + 2 = 5\) Same signs give a positive: \(3 - (-2) = 3 + 2 = 5\) Different signs give a negative: \(3 + (-2) = 3 - 2 = 1 ...
then use the sign rules to find the sign of the answer. Image caption, This multiplication table includes both positive and negative numbers. Follow the pattern to see the effect of multiplying by ...
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