The square of a number is four more than three times the number. Find the number
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Answer:
Let the smaller number is X, then the other number is X+4.
Given, X^2=3(X+4) -2=3X+10
Or, X^2 -3X -10=0 Or, X=either 5 or -2
Hence, the other number is either 9 or 2
Answered by
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Step-by-step explanation:
The square of a number is 4 more than three times the number.find the number?
n^2 = 3n + 4
Arrange as a quadratic equation
n^2 - 3n - 4 = 0
factors to:
(n-4)(n+1) =
Two solutions
n = 4
n = -1
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