Question 206554
x^(2n+1)-2x^(n+1)+x
Factor out "x" to get:
x[(x^n)^2 - 2 x^n +1]
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Let x^n = k
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Substitute to get:
x[k^2 -2k + 1]
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= x(k-1)^2
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Substitute to get:
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= x((x^n)-1)^2
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Cheers,
Stan H.