keaghex keaghex

28-01-2016
Mathematics

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

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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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