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(20(0.125-x))^2+(12(25.125-x))^2+(8(81.75-x))^2=38095.9
We move all terms to the left:
(20(0.125-x))^2+(12(25.125-x))^2+(8(81.75-x))^2-(38095.9)=0
We add all the numbers together, and all the variables
(20(-1x+0.125))^2+(12(-1x+25.125))^2+(8(-1x+81.75))^2-(38095.9)=0
We add all the numbers together, and all the variables
(20(-1x+0.125))^2+(12(-1x+25.125))^2+(8(-1x+81.75))^2-38095.9=0
We move all terms containing x to the left, all other terms to the right
(20(-1x+0.125))^2+(12(-1x+25.125))^2+(8(-1x+81.75))^2=38095.9
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