![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The rules are alike in that if the two signs are alike the product or quotient is positive and if the two signs are different the product or quotient is negative.
\The rules are different for zero: For multiplication, if either factor is zero then product is zero, but for division you have to check that the divisor is not zero.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The rules are alike in that if the two signs are alike the product or quotient is positive and if the two signs are different the product or quotient is negative.
\The rules are different for zero: For multiplication, if either factor is zero then product is zero, but for division you have to check that the divisor is not zero.