SOLUTION: How to multiply out the brackets and then simplify (a) -4(5a-6b) (b) 12(-10x+5y)

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Question 1037935: How to multiply out the brackets and then simplify
(a) -4(5a-6b)
(b) 12(-10x+5y)
Answer by Aldorozos(172) About Me  (Show Source):
You can put this solution on YOUR website!
I would use the work parenthesis instead of brackets
-4(5a)+ (-4(-6b)) = -20a + 24b
12(-10x) + 12(5y) = -120x +60y