SOLUTION: Please help: Find the common factor y^2-4y+3 I've done this; is it right? (y-1)(y-3) How do I determine which is the common factor?

Question 28383: Please help: Find the common factor
y^2-4y+3
I've done this; is it right?
(y-1)(y-3) How do I determine which is the common factor?
Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
Please help: Find the common factor
y^2-4y+3
I've done this; is it right?
(y-1)(y-3) How do I determine which is the common factor
YOU ARE PERFECTLY CORRECT IN YOUR ANSWER.
COMMON FACTOR NEEDS 2 EXPRESSIONS..YOU FACTORISE EACH SEPERATELY AND THEN FIND ANY FACTOR IS COMMON?
HERE YOU HAVE ONLY ONE EXPRESSION.AND YOU FACTORISED CORRECTLY..THAT IS ALL TO IT
SUPPOSE THERE IS ANOTHER EXPRESSION LIKE SAY...Y^2-2Y+1,WHICH IS EQUAL TO
(Y-1)^2...SO YOU CAN SAY Y-1 IS A COMMON FACTOR BETWEEN THE 2 EXPRESSIONS

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