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the square of a number is 6 more than the number. find the number.?
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 ComoLv 71 month ago

x² = x + 6
x²  x  6 = 0
( x  3 ) ( x. + 2 ) = 0
x. = 3 , x =  2
The number could be 3 or  2
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 Iggy RockoLv 71 month ago
x^2 = x + 6
x^2  x  6 = 0
(x  3)(x + 2) = 0
x = 3 or x = 2
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 A Yahoo UserLv 71 month ago
The number is N
the square of the number
Nsquared
is 6 more than the number
N + 6 = Nsquared
You can set it equal to zero
0 = Nsquared  N  6
and then use the binomial equation
or factor
Factoring
we get
0 = (N  3)(N + 2)
So
N is EITHER
+3
or
2
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 1 month ago
x^2 = x + 6
x^2  x  6 = 0
x = (1 +/ sqrt(1 + 24)) / 2
x = (1 +/ sqrt(25)) / 2
x = (1 +/ 5) / 2
x = 4/2 , 6/2
x = 2 , 3
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