SOLUTION: Can someone please show me step by step to solve x^2-9 when factoring to find the sum and difference?

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Question 729388: Can someone please show me step by step to solve x^2-9 when factoring to find the sum and difference?
Answer by lenny460(1073) About Me  (Show Source):
You can put this solution on YOUR website!
Can someone please show me step by step to solve x^2-9 when factoring to find the sum and difference ?

Factor:
x^2 - 9
Use the difference of squares formula:
Answer:
(x - 3)(x + 3)



Lennox Obuong
Algebra Tutor
Nairobi, Kenya