SOLUTION: please explain the order of operation for this problem (5-1-- 2)(-5-5)

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Question 580431: please explain the order of operation for this problem (5-1-- 2)(-5-5)
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
read then reread these steps:
(5-1-- 2)(-5-5)=
(5-1+2)(-10)=
(4+2)(-10)=
(6)(-10)=
-60