A negative times a negative is a positive.
A simple way to remember this is...
n * p = n
p* n = n
p * p = p
n * n = p
There will always be two negatives, and two positives.
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negative x positive = negative negative x negative = positive negative x negative x negative = negative negative x negative x negative x negative = positive .....
A negative exponent becomes positive in the reciprocal. So if you have a number a^x where x is negative, then, a^x = 1/(a^-x) and, since x is negative, -x is positive.
positive x positive = positive negative x negative = positive negative x positive = negative
Positive x Positive = Positive: 3 x 2 = 6Negative x Negative = Positive: (-2) x (-8) = 16Negative x Positive = Negative: (-3) x 4 = -12Positive x Negative = Negative: 3 x (-4) = -12
a negative x a negative= a positive, a positive x a positive= a positive, a negative x a positive= a negative, and a positive x a negative= a negative. Same thing with division. a negative divided by a negative= a positive, a positive divided by a positive= a positive, a negative divided by a positive= a negative, and a positive divided by a negative is a negative. U see?