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Factor completely:

x^(3)-9x^(2)+14 x
Answer:

Factor completely:\newlinex39x2+14x x^{3}-9 x^{2}+14 x \newlineAnswer:

Full solution

Q. Factor completely:\newlinex39x2+14x x^{3}-9 x^{2}+14 x \newlineAnswer:
  1. Identify common factors: Identify common factors in all terms of the polynomial x39x2+14xx^3 - 9x^2 + 14x. We can see that each term has an 'xx' in it, so we can factor out an 'xx' from the polynomial. x(x29x+14)x(x^2 - 9x + 14)
  2. Factor the quadratic expression: Factor the quadratic expression x29x+14x^2 - 9x + 14. We need to find two numbers that multiply to 1414 and add up to 9-9. These numbers are 7-7 and 2-2. x(x7)(x2)x(x - 7)(x - 2)
  3. Check factored form: Check the factored form by expanding it to ensure it matches the original polynomial.\newlinex(x7)(x2)=x(x27x2x+14)=x(x29x+14)=x39x2+14xx(x - 7)(x - 2) = x(x^2 - 7x - 2x + 14) = x(x^2 - 9x + 14) = x^3 - 9x^2 + 14x\newlineThe expanded form matches the original polynomial, so the factoring is correct.

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