SOLUTION: Pls help in factorizing:{{{x^3=x + 5(x-1)}}}
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Question 976655
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Pls help in factorizing:
Answer by
t0hierry(194)
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Try x = 1
x^3 - x = 5x(x-1) = x*(x+1)(x=1)
onw rooot is x=1
Next are x = 0 and x(x+1) = 5
or x^2 + x - 5 = 0
x = [-1 +- sqrt(1+20)]/2