20000x²+30000x+10000＝10980.

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20000x²+30000x+10000＝10980.20000x²+30000x+10000＝10980.20000x²+30000x+10000＝10980.0.01

20000x²+30000x+10000＝10980.
20000x²+30000x+10000＝10980.

20000x²+30000x+10000＝10980.
0.0196096