7x^1/2+x^3/2

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Solution for 7x^1/2+x^3/2 equation: 


x in (-oo:+oo)

(x^3)/2+(7*x^1)/2 = 0

(x^3)/2+(7*x)/2 = 0

1/2*x^3+7/2*x = 0

1/2*x*(x^2+7) = 0

1*x^2 = -7 // : 1

x^2 = -7

x/2 = 0

1/2*x = 0 // : 1/2

x = 0

x = 0

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