Asked by dewshi
                When three times a number which is postive is subtracted from the square of that
number the answer is 28. Find the number
            
        number the answer is 28. Find the number
Answers
                    Answered by
            Anonymous
            
    n^2 - 3 n = 28
n^2 - 3 n - 28 = 0
(n-7)(n+4)= 0
n = 7 for n positive
and yes ----> 49 - 21 = 28 Whew !
    
n^2 - 3 n - 28 = 0
(n-7)(n+4)= 0
n = 7 for n positive
and yes ----> 49 - 21 = 28 Whew !
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