Muktiplying Integers

There are four rules to multiplying integers.

1) positive x positive = positive
eg) (+3) x (+3) = (+9)

2) negative x negative = positive
eg) (-3) x (-3) = (+9)

3) positive x negative = negative
eg) (+6) x (-3) = (-18)

4) negative x positive = negative
eg) (-6) x (+3) = (-18)