anonymous
  • anonymous
x^3+9x^2-2x-18 factor by grouping
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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amistre64
  • amistre64
9 and x are good candidates maybe: (x^3-2x) + (9x^2-18) x(x^2 -2) +9(x^2-2) (x+9) (x^2-2)
amistre64
  • amistre64
(x+9) (x-sqrt(2)) (x+sqrt(2)) to get technical
anonymous
  • anonymous
do u just pick polynomial out and factor them out

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amistre64
  • amistre64
i try to see what I can group that has something in common to pull out
amistre64
  • amistre64
(x^3+9x^2) + (-2x-18) x^2(x+9) -2(x+9) (x+9) (x^2-2) works the same
anonymous
  • anonymous
ok I was trying that and not havin any luck
amistre64
  • amistre64
mix and match till you get something that works ;)

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