SOLUTION: What is a common factor of x² - 9 and x² - 5x + 6?

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Question 943862: What is a common factor of x² - 9 and x² - 5x + 6?
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
to see what is a common factor of x%5E2+-9 and x%5E2-5x+%2B+6, first factor them completely:
x%5E2+-9 =>x%5E2+-3%5E2 =>%28x+-3%29%28x%2B3%29

and x%5E2-5x+%2B+6=>x%5E2-2x-3x+%2B+6=>%28x%5E2-3x%29-%282x-6%29=>x%28x-3%29-2%28x-3%29=>%28x-2%29%28x-3%29
a common factor is %28x-3%29