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Ответ

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Ak0nyaaa

Ответ:

2a^3+5a^2+2a=0

a (2a^2+5a+2)=0

1) a=0

2) 2a^2+5a+2=0

D=(-5)^2-4*2*2= 25-16= 9=3^2

x1=(-5)-3/4= (-8)/4= -2

x2= (-5)+3/4= (-2)/4 = (-1/2)

ответ: х1=-2; х2=(-1/2)

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