X^2-8(8/2)-9

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Solution for X^2-8(8/2)-9 equation: 


X in (-oo:+oo)

X^2-(8*(8/2))-9 = 0

X^2-32-9 = 0

1*X^2 = 41 // : 1

X^2 = 41

X^2 = 41 // ^ 1/2

abs(X) = 41^(1/2)

X = 41^(1/2) or X = -41^(1/2)

X in { 41^(1/2), -41^(1/2) }

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