-7a^5-14a^4+21a^3/-7a^3

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Solution for -7a^5-14a^4+21a^3/-7a^3 equation: 


a in (-oo:+oo)

((21*a^3)/(-7))*a^3-7*a^5-(14*a^4) = 0

((21*a^3)/(-7))*a^3-7*a^5-14*a^4 = 0

-3*a^6-7*a^5-14*a^4 = 0

-a^4*(3*a^2+7*a+14) = 0

3*a^2+7*a+14 = 0

DELTA = 7^2-(3*4*14)

DELTA = -119

DELTA < 0

-a^4 = 0

-1*a^4 = 0 // : -1

a^4 = 0

a = 0

a = 0

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