SOLUTION: . Simplify the rational expression: 2x2 – 12x + 18 2x2 – 18

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Question 132134This question is from textbook intermediate algebra
: . Simplify the rational expression:
2x2 – 12x + 18
2x2 – 18
This question is from textbook intermediate algebra

Answer by TakeATuition.com(57) About Me  (Show Source):
You can put this solution on YOUR website!
2x%5E2-12x%2B18=0
2x%5E2-6x-6x%2B18=0
2x%28x-3%29-6%28x-3%29=0
(x-3)(2x-6)=0
x-3=0
x=3
2x-6=0
2x=6
2x%2F2=6%2F2
x=3
2x%5E2-18
2%28x%5E2-9%29
2%28x%5E2-3%5E2%29
2(x-3}(x+3) since a%5E2-b%5E2=(a-b)(a+b)
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