SOLUTION: Hi; I wondered if you could help me with these problems. I am getting "tangled up" in all the -neg, and exponents. 1. multiply 6/-5 x -3/4 x (-2) and 2. evaluate (1-2^

Question 323144: Hi; I wondered if you could help me with these problems. I am getting "tangled up" in all the -neg, and exponents.

1. multiply 6/-5 x -3/4 x (-2)
and
2. evaluate (1-2^3)^2 -4 (-5)

I appreciate your time and help!
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
A good fact to keep in mind is

, so

Notice the general form (-) x (-) x (-)
(-) x (-) = (+), so you have
(+) x (-) = (-)
That takes care of your signs, and you have

---------------------------------

A helpful rule is "whenever possible, work from the inside out"

I just used the rule

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