2000x²-1000x=1155

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2000x²-1000x=11552000x²-1000x=11552000x²-1000x=1155x=21/20or-11/20

2000x²-1000x=1155
2000x²-1000x=1155

2000x²-1000x=1155
x=21/20 or -11/20