Simplify these problems

label Mathematics
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19) Simplify

 1.    (-2)(-3)

2.    (-2)(3)

3.   (2)(-3)

4.   (2) (3)

May 15th, 2015

Hello!

I provided a few rules of thumb for these types of problems:

If signs are the same for the numbers, answer is positive.

If signs are the opposite for the numbers, answer is negative.

1. negative * negative = positive

(-2)(-3)=6

2. negative * positive = negative

(-2)(3)=-6

3. positive * negative = negative

(2)(-3)=-6

4. positive * positive = positive

(2)(3)=6

Hope this helps :)

May 16th, 2015

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