SOLUTION: I am having a problem factoring the 3a - 3b

SOLUTION: I am having a problem factoring the 3a - 3b - a^2 + b^2 part of the problem.

Question 194182This question is from textbook
: I am having a problem factoring the 3a - 3b - a^2 + b^2 part of the problem. This question is from textbook

Found 2 solutions by stanbon, RAY100:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
3a - 3b - a^2 + b^2
3(a-b) - (a^2 - b^2)
---
3(a-b) - (a-b)(a+b)
(a-b)(3 - (a+b))
(a-b)(3-a-b)
===================
Cheers,
Stan H.
Answer by RAY100(1637) (Show Source): You can put this solution on YOUR website!
try
3a -3b -a^2 +b^2
,
3 (a-b) - ( a^2 -b^2 )
3 (a-b) - (a+b) (a-b)
,
(a-b) (3-(a+b) )
(a-b) (3-a-b)
,
check to original by distributing,,,all,,ok
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