SOLUTION: Twice the square of a number minus twice the number equals negative thirteen. What is the number?
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Question 1030342: Twice the square of a number minus twice the number equals negative thirteen. What is the number?
Answer by jorel555(1290) (Show Source): You can put this solution on YOUR website!
2(x^2)-2x=-13
2x^2-2x+13=0
Plug into our quadratic formula you get:
x=2+/-sq rt(4-4(2)(13))/4
=2+/-sq rt(4-104)/4=2+/-sq rt(-100)/4
You cannot get a real number that fits the parameters of your question.
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