1995moorej 1995moorej

08-01-2018
Mathematics

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Solve the equation: 2+3x=4+x(2+x)

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Аноним Аноним

09-01-2018

2 + 3x = 4 + 2x + x^2
x^2 - x + 2 = 0

(x - 0.5)^2 - 0.25 + 2 = 0

(x - 0.5)^2 = -1.75

x - 0.5 = +/- sqrt 1.75 * i

x = 0.5 + 1.32i , 0.5 - 1.32i answer

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