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Q: Is x-3 a factor of 2x3-11x2 plus 12x plus 9?

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Factor: x3 - 12x2 + 35x 1. Factor out a x: x(x2 - 12x + 35). 2. Factor x2 - 12x + 35 which is (x-5)(x-7). 3. Answer: x(x-5)(x-7).

x3 + 12x2 - 5x = x(x2 + 12x - 5) = x(x + 6 - √41)(x + 6 + √41)

Since that isn't an equation, there is really nothing to solve.

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