SOLUTION: b(a-7)-3(7-a)= this question isnt from the text book its from a handout the professor gave. Thank you

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Question 99574This question is from textbook Beginning Algebra
: b(a-7)-3(7-a)=

this question isnt from the text book its from a handout the professor gave.
Thank you
This question is from textbook Beginning Algebra

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
b%28a-7%29-3%287-a%29 Start with the given expression


b%28a-7%29-3%28-1%29%28a-7%29 Factor out a -1 from the second group


b%28a-7%29%2B3%28a-7%29 Multiply


Now that we have the common term a-7 we can combine like terms


%28b%2B3%29%28a-7%29 Combine like terms