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

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

User Jack Sierkstra
by
8.2k points

1 Answer

7 votes

x + x^2 = 72


x^2 + x - 72 = 0


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


x = -9, 8

Greatest Possible Integer: 8
User Sharon Watinsan
by
8.8k points
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