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

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

Algebra.Com

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