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x+3^2=10.8(10.8+19.2)
We move all terms to the left:
x+3^2-(10.8(10.8+19.2))=0
We add all the numbers together, and all the variables
x+3^2-(10.830)=0
We add all the numbers together, and all the variables
x-1.83=0
We move all terms containing x to the left, all other terms to the right
x=1.83
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