SOLUTION: could you explain step by step how to simplify each exspression as far as you can,multiply out brackets,collect like terms please 9x-3(7y-4x) regards rob

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Question 694799: could you explain step by step
how to simplify each exspression as far as you can,multiply out brackets,collect like terms please
9x-3(7y-4x)
regards rob

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
9x-3(7y-4x)
------
Multiply by 3 to get:
= 9x - 21y + 12x
---
Combine "like" terms:
= 21x -21y
----
Factor is you want to:
= 21(x-y)
================
Cheers,
Stan H.

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