SOLUTION: factor completely: 2x^2-12x+18 factor completely: 2x^2-9 factor completely: 2x^3+6x^2-x-3

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Question 50877: factor completely: 2x^2-12x+18
factor completely: 2x^2-9
factor completely: 2x^3+6x^2-x-3

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
factor completely: 2x^2-12x+18
=2(x^2-6x+9)
=2(x-3)(x-3)
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factor completely: 2x^2-9
=(sqrt2x-3)(sqrt2x+3
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factor completely: 2x^3+6x^2-x-3
=2x^2(x+3)-(x+3)
=(x+3)(2x^2-1)
cheers,
Stan H.