SOLUTION: Fourteen less than the square of a number is the same as five times the number. Find the number.

SOLUTION: Fourteen less than the square of a number is the same as five times the number. Find the number.

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Question 28615: Fourteen less than the square of a number is the same as five times the number. Find the number.
Answer by elima(1433) (Show Source): You can put this solution on YOUR website!
Let x be the number;
-14=5x
Now but this in standard form;
-5x-14=0
Now factor;
(X+2)(x-7)=0
x+2=0
x=-2
x-7=0
x=7
So x=-2 or x=7
When you plug each oneinto the equation you find;
x=7
=)
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