anonymous
  • anonymous
Help please, Divide (x³-x+8) / (x-2)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
x^3-x+8=x^3-2x^2+2x^2-4x+3x-6+14 =x^2(x-2)+2x(x-2)+3(x-2)+14=(x^2+2x+3)(x-2)+14 (x^3-x+6)/(x-2) =x^2+2x+3+[14/(x-2)]
anonymous
  • anonymous
...huh?
anonymous
  • anonymous
what?

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anonymous
  • anonymous
im trying to writ this down on paper but... you lost me @ the second step
anonymous
  • anonymous
see i have rewrite the expression so that i can take (x-2) common.
anonymous
  • anonymous
see you have to divide with x-2
anonymous
  • anonymous
i have introduced -2x^2 to make with x^3 as x^2(x-2). and i have add 2x^2 to nullify it...
anonymous
  • anonymous
i have written -x as -4x+3x. and 8 as -6 +14.
anonymous
  • anonymous
ghhosst.............
anonymous
  • anonymous
have you now understood.
amistre64
  • amistre64
x^2 +2x +3 -------------- x-2 | x^3 -x +8 -x^3 +2x^2 ----------- 2x^2 -x +8 -2x^2 +4x ------------ 3x +8 -3x +6 -------- 14 <- remainder
anonymous
  • anonymous
yea :) i c
anonymous
  • anonymous
the way it was written just threw me off, but i see how its done now thank you :)
anonymous
  • anonymous
how did yu get x^2 +2x +3 ?
anonymous
  • anonymous
simply we divided
anonymous
  • anonymous
nvm.. yu put the answer on the top. cool
anonymous
  • anonymous
see i had x^3-x+8=x^2(x-2)+2x(x-2)+3(x-2)+14=(x^2+2x+3)(x-2)+14 so taking (x-2 common from the first three terms i have (x^2+2x +3)(x-2)

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