SOLUTION: Is this a quadratic equation? there's only one 'x'. How do i solve this problem? 2(x-3)^2-50=0.

Question 725129: Is this a quadratic equation? there's only one 'x'. How do i solve this problem? 2(x-3)^2-50=0.
Found 2 solutions by Alan3354, josmiceli:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Is this a quadratic equation? there's only one 'x'. How do i solve this problem? 2(x-3)^2-50=0.
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It's a quadratic, the x term (x-3) is squared.
If you expand it you get and x^2 term.
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The easiest way to solve it is
2(x-3)^2-50=0
2(x-3)^2 = 50
(x-3)^2 = 25
x-3 = 5 --> x = 8
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x-3 = -5 --> x = -2

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

You can complete the square

and, also,

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check answers:

and

OK

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