echavezmendez1112
echavezmendez1112 echavezmendez1112
  • 29-05-2021
  • Mathematics
contestada

the polynomial x^+3x - 1 is a factor of x^3+2x^2-5x-6​

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cwrw238 cwrw238
  • 29-05-2021

Answer:

If its x^2 + 3x - 1 it is not a factor.

Step-by-step explanation:

x^2+3x - 1  is a factor of x^3+2x^2-5x-6​?

Try dividing:

x^2+3x - 1 ) x^3 + 2x^2 - 5x - 6​( x - 1

                  x^3 + 3x^2 - x

                          - x^2  -4x - 6

                          -x^2 - 3x + 1

                                   - x - 7  <------- remainder.

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