SOLUTION: Factoring Quadratic Expressions-- Directions; Factor each expression. Problem; 9x^2-36+27

Question 565671: Factoring Quadratic Expressions--
Directions; Factor each expression.
Problem; 9x^2-36+27
Answer by Leaf W.(135) (Show Source): You can put this solution on YOUR website!
1. Add like terms.
2. If possible, pull out a greatest common factor. Since both and -9 are divisible by 9, pull out that.
3. Factor . Notice that is a difference of perfect squares. Any difference of perfect squares () can be factored as .
4. Since 9(x + 1)(x - 1) cannot be factored any further, YOUR ANSWER IS 9(x + 1)(x - 1)
Hope I helped! =)
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