Answer:
-18 is the answer
Step-by-step explanation:
Rules in Multiplication and Division of Integers.
RULE 1: The product of a positive integer and a negative integer is negative.
RULE 2: The product of two positive integers is positive.
RULE 3: The product of two negative integers is positive.
So if you multiply 6 and 3 it equals 18 but there is an opposite sign
(+) (+) = (+)
(-) (-) = (+)
(+) (-) = (-)
(-) (+) = (-)