ax^3+ax^2+x大于等于0怎么解,

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ax^3+ax^2+x大于等于0怎么解,ax^3+ax^2+x大于等于0怎么解,ax^3+ax^2+x大于等于0怎么解,ax^3ax^2x≥0→x(ax^2ax1)≥0①a=0时,x≥0②a>0时,Ⅰ

ax^3+ax^2+x大于等于0怎么解,
ax^3+ax^2+x大于等于0怎么解,

ax^3+ax^2+x大于等于0怎么解,
ax^3 ax^2 x≥ 0 → x(ax^2 ax 1)≥0 ① a=0时,x≥0 ② a> 0时,Ⅰ.04时解得,[-a- √ (a^2-4a)]/2a ≤x ≤[-a+√ (a^2-4a)]/2或x ≥ 0 ③a0,解得 [-a- √ (a^2-4a)]/2a ≤x ≤ 0或x ≥ [-a+√ (a^2-4a)]/2 所以纵上有,① 当a4时,[-a- √ (a^2-4a)] / 2a ≤ x ≤[-a+√ (a^2-4a)] / 2 或 x ≥ 0 ③a