x=((9-x)/6)^2

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Solution for x=((9-x)/6)^2 equation: 


x in (-oo:+oo)

x = ((9-x)/6)^2 // - ((9-x)/6)^2

x-((9-x)/6)^2 = 0

(-1*(9-x)^2)/(6^2)+x = 0

(-1*(9-x)^2)/(6^2)+(6^2*x)/(6^2) = 0

6^2*x-1*(9-x)^2 = 0

54*x-x^2-81 = 0

54*x-x^2-81 = 0

54*x-x^2-81 = 0

DELTA = 54^2-(-81*(-1)*4)

DELTA = 2592

DELTA > 0

x = (2592^(1/2)-54)/(-1*2) or x = (-2592^(1/2)-54)/(-1*2)

x = (36*2^(1/2)-54)/(-2) or x = (-36*2^(1/2)-54)/(-2)

(x-((36*2^(1/2)-54)/(-2)))*(x-((-36*2^(1/2)-54)/(-2))) = 0

((x-((36*2^(1/2)-54)/(-2)))*(x-((-36*2^(1/2)-54)/(-2))))/(6^2) = 0

((x-((36*2^(1/2)-54)/(-2)))*(x-((-36*2^(1/2)-54)/(-2))))/(6^2) = 0 // * 36

(x-((36*2^(1/2)-54)/(-2)))*(x-((-36*2^(1/2)-54)/(-2))) = 0

( x-((-36*2^(1/2)-54)/(-2)) )

x-((-36*2^(1/2)-54)/(-2)) = 0 // + (-36*2^(1/2)-54)/(-2)

x = (-36*2^(1/2)-54)/(-2)

( x-((36*2^(1/2)-54)/(-2)) )

x-((36*2^(1/2)-54)/(-2)) = 0 // + (36*2^(1/2)-54)/(-2)

x = (36*2^(1/2)-54)/(-2)

x in { (-36*2^(1/2)-54)/(-2), (36*2^(1/2)-54)/(-2) }

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