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(x)(2x)^2=1.3*10^-18
We move all terms to the left:
(x)(2x)^2-(1.3*10^-18)=0
We add all the numbers together, and all the variables
x2x^2-18-1.3E=0
We add all the numbers together, and all the variables
x2x^2-21.533766376997=0
We move all terms containing x to the left, all other terms to the right
x2x^2=21.533766376997
x=21.533766376997/1
x=21.533766376997
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