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16.6x+(11.9x^2x)=37500
We move all terms to the left:
16.6x+(11.9x^2x)-(37500)=0
We get rid of parentheses
11.9x^2x+16.6x-37500=0
We move all terms containing x to the left, all other terms to the right
11.9x^2x+16.6x=37500
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