Is x + 5 a factor of x3 + 3x2 + 15x + 20 do it by long division method
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Step-by-step explanation:
x+5 ) x^3 + 3x^2 + 15x + 20 ( x^2 - 2x + 25
x^3 + 5x^2
-------------------------
- 2x^2 + 15x
- 2x^2 - 10x
------------------------------
+ 25x + 20
+ 25x + 125
-------------------------
- 105
(x + 5) is not factor of this equation.
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