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9/16-(2*x-1)^2 = 0
9/16-1*(2*x-1)^2 = 0
(-1*16*(2*x-1)^2)/16+9/16 = 0
9-1*16*(2*x-1)^2 = 0
64*x-64*x^2-7 = 0
64*x-64*x^2-7 = 0
64*x-64*x^2-7 = 0
DELTA = 64^2-(-64*(-7)*4)
DELTA = 2304
DELTA > 0
x = (2304^(1/2)-64)/(-64*2) or x = (-2304^(1/2)-64)/(-64*2)
x = 1/8 or x = 7/8
(x-1/8)*(x-7/8) = 0
((x-1/8)*(x-7/8))/16 = 0
((x-1/8)*(x-7/8))/16 = 0 // * 16
(x-1/8)*(x-7/8) = 0
( x-1/8 )
x-1/8 = 0 // + 1/8
x = 1/8
( x-7/8 )
x-7/8 = 0 // + 7/8
x = 7/8
x in { 1/8, 7/8 }
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