Ответ:
x1 = -4. x2=1
Объяснение:
2x*x + x *(-1) + 3 * 2x + 3 * (-1) = x^2 + 2x + 1^
2x^2 - x + 6x - 3 = x^2 + 2x + 1
x^2 + 3x - 4 = 0
x^2 + 4x -x - 4 = 0
x (x + 4) - (x + 4) = 0
(x +4)(x - 1) = 0
x + 4 = 0. x -1 = 0
x = -4. x = 1
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Ответ:
x1 = -4. x2=1
Объяснение:
2x*x + x *(-1) + 3 * 2x + 3 * (-1) = x^2 + 2x + 1^
2x^2 - x + 6x - 3 = x^2 + 2x + 1
x^2 + 3x - 4 = 0
x^2 + 4x -x - 4 = 0
x (x + 4) - (x + 4) = 0
(x +4)(x - 1) = 0
x + 4 = 0. x -1 = 0
x = -4. x = 1