Question 765000
5x^6-8x^2=0
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{{{x^2*(5x^4 - 8) = 0}}}
x^2 = 0 --> x = 0,0
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{{{5x^4 - 8 = 0}}}
{{{5x^4 = 8}}}
{{{x^4 = 8/5}}}
{{{x = root(4,1.6)}}}
{{{x = -root(4,1.6)}}}
{{{x = i*root(4,1.6)}}}
{{{x = -i*root(4,1.6)}}}