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patricia28 patricia28
  • 29-06-2014
  • Mathematics
Answered

The sum of an integer and its square is 72. Find the greatest possible integer.

Verified Answer :

iloveonedirection
iloveonedirection iloveonedirection
  • 29-06-2014

\(x + x^2 = 72\)

\(x^2 + x - 72 = 0\)

\((x -8)(x+9) = 0\)

\(x = -9, 8\)

Greatest Possible Integer: 8

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