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

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


x in (-oo:+oo)

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

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

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

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

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

DELTA = 3^2-(2*4*7)

DELTA = -47

DELTA < 0

x = 0

1/2*x = 0

x = 0

x = 0

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