laine16
laine16 laine16
  • 25-04-2019
  • Mathematics
contestada

Find the quotient and remainder of (2x^3-x+1) if divided by (x+5)

Thank you!

Respuesta :

znk
znk znk
  • 26-04-2019

Answer:

[tex]\boxed{\text{Quotient = } 2x^{2} - 10x + 49; \text{remainder = } -244}[/tex]

Step-by-step explanation:

Perhaps the best way to solve this problem is to use synthetic division.

[tex]\begin{array}{rrrrr}-5| & 2 & 0 & -1 & 1\\|& & -10 & 50 & -245\\& 2 & -10 & 4 & -244\\\end{array}\\[/tex]

Thus,

[tex]\frac{x^{3} - x + 1 }{x + 5} = 2x^{2} - 10x + 49 - \frac{ 244}{x + 5 }[/tex]

The quotient is [tex]\boxed{ 2x^{2} - 10x + 49}[/tex] with a remainder of [tex]\boxed{-244}[/tex].

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