Question 12/40: Set 1 - Try Out 2026 - Mathematics (TKA) | Nakafa

Question 12

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Given that $(x - 1)$ and $(x + 3)$ are factors of the polynomial equation $x^3 - ax^2 - bx + 12 = 0$

If $x_1, x_2,$ and $x_3$ are the roots of the equation and $x_1 < x_2 < x_3$ , the value of $x_1 + x_2 + x_3$ is ....

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Given that $(x - 1)$ and $(x + 3)$ are factors of the polynomial equation $x^3 - ax^2 - bx + 12 = 0$

If $x_1, x_2,$ and $x_3$ are the roots of the equation and $x_1 < x_2 < x_3$ , the value of $x_1 + x_2 + x_3$ is ....

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