znczm2wbb9 znczm2wbb9
  • 04-08-2022
  • Mathematics
contestada

Show why x - 3 is a factor of m(x) = x³ x² - 5x - 3.

Respuesta :

djp6182583 djp6182583
  • 04-08-2022

Answer:

If  m(x) = x^3 - x^2 - 5x - 3 then x - 3 is a factor.

Step-by-step explanation:

By the Factor Theorem if  (x - a) is a factor of f(x) then f(a) = 0.

m(x) = x^3 - x^2 - 5x - 3

m(3) = 27 -  9  - 15 - 3 = 0

- so x - 3 is a factor

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