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Factor.

x^(2)-13 x+40
Answer:

Factor.\newlinex213x+40 x^{2}-13 x+40 \newlineAnswer:

Full solution

Q. Factor.\newlinex213x+40 x^{2}-13 x+40 \newlineAnswer:
  1. Identify Quadratic Equation: Identify the quadratic equation to be factored.\newlineThe given quadratic equation is x213x+40x^2 - 13x + 40.\newlineWe need to find two numbers that multiply to give the constant term (40)(40) and add up to give the coefficient of the linear term (13)(-13).
  2. Find Multiplying Numbers: Find two numbers that multiply to 4040 and add up to 13-13. The numbers that satisfy these conditions are 8-8 and 5-5 because (8)×(5)=40(-8) \times (-5) = 40 and (8)+(5)=13(-8) + (-5) = -13.
  3. Write Factored Form: Write the quadratic equation in its factored form using the two numbers found in Step 22.\newlineThe factored form of the quadratic equation is (x8)(x5)(x - 8)(x - 5).
  4. Check Factored Form: Check the factored form by expanding it to ensure it matches the original quadratic equation.\newlineExpanding (x8)(x5)(x - 8)(x - 5) gives x25x8x+40x^2 - 5x - 8x + 40, which simplifies to x213x+40x^2 - 13x + 40.\newlineThis matches the original quadratic equation, so the factoring is correct.

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