SOLUTION: Remove the parentheses and simplify. 9y � (�4y � 2x)

Question 78815: Remove the parentheses and simplify.
9y � (�4y � 2x)
Answer by tutor_paul(519) (Show Source): You can put this solution on YOUR website!

The tricky part here is to recognize the implications of that minus sign in front of the parenthesis. Think of it as a -1 multiplying everything inside the parenthesis, like this:

Now, when you "remove" the parenthesis, you can see that you are really multiplying through by -1:

Now, you can combine "like" terms for the final answer:

Good Luck,
tutor_paul@yahoo.com
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