anonymous
  • anonymous
Medal & fan Algebra help What polynomial has roots of -5, -4, and 1? x3 - 8x2 - 11x + 20 x3 - x2 + 22x + 40 x3 + x2 - 22x - 40 x3 + 8x2 + 11x - 20
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
@MeganEdward @zepdrix
Nnesha
  • Nnesha
roots are x= -5 x=-4 x=1 set each root equal to zero x = -5 (Add 5 both sides ) x+5 =0 same with other 2 roots then foil
anonymous
  • anonymous
Thanks! <3

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Nnesha
  • Nnesha
hmm got it ?? familiar with the foil method ?
anonymous
  • anonymous
Yes, I'm familiar. So I would foil (x+5)(x+4)(x-1)?
Nnesha
  • Nnesha
right :=)
anonymous
  • anonymous
Can I foil the first two and then foil the sum with (x-1)?
Nnesha
  • Nnesha
that would be AWESOME !
anonymous
  • anonymous
(x^2 + 9x + 20)(x-1) and then...
anonymous
  • anonymous
x^3 + 8x^2 +11x -20 ??
Nnesha
  • Nnesha
perfect! :=)
anonymous
  • anonymous
Thanks a bunch!
Nnesha
  • Nnesha
np great job 2 u !! :=)

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