SOLUTION: The product of my number and twice my number is 128. What is half my number?

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Question 381992: The product of my number and twice my number is 128. What is half my number?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
(x*2x)=128
2x^2=128
x^2=128/2
x^2=64
x=8
.5x=4