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0=0.25-1000x^-2
We move all terms to the left:
0-(0.25-1000x^-2)=0
We add all the numbers together, and all the variables
-(0.25-1000x^-2)=0
We get rid of parentheses
1000x^-0.25+2=0
We add all the numbers together, and all the variables
1000x+1.75=0
We move all terms containing x to the left, all other terms to the right
1000x=-1.75
x=-1.75/1000
x=-1/571.428571429
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