joeshuffle442 joeshuffle442
  • 08-12-2022
  • Mathematics
contestada

Let the function P be defined by P(x) = x³ + 2x² - 13x + 10. Mai divides P(x) by
x + 5 and gets:

x²-3x+2
x+5) x³ + 2x² - 13x + 10
−x3 – 5x2
-3x² - 13x
3x² + 15x
2x + 10
-2x - 10
0
How could we tell by looking at the
remainder that (x + 5) is a factor?

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