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x(x+2)+ 5 = 3(2 - x) + x - 4
x² + 2x + 5 = 6 - 3x + x - 4
x² + 2x + 3x - x = 6 - 4 - 5
x² + 4x = - 3
x² + 4x + 3 = 0
(x + 3)(x + 1) = 0
x1 = -3
x2 = -1