SOLUTION: Seven less than 4 times the square of a number is 18. Find the number.

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Question 392362: Seven less than 4 times the square of a number is 18. Find the number.
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
4x^2-7=18
4x^2=25
x^2=6.25
x=2.5