keaghex
keaghex keaghex
  • 28-01-2016
  • Mathematics
contestada

factor and find all the roots of x^4 +x=0

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Panoyin
Panoyin Panoyin
  • 28-01-2016
         x⁴ + x = 0
x(x³) + x(1) = 0
    x(x³ + 1) = 0
x = 0    or    x³ + 1 = 0
                        - 1  - 1
                         x³ = -1
                          x = -1
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