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-7.5x^2+4.8x-3.0=2.5x^2+10.02-10x^2
We move all terms to the left:
-7.5x^2+4.8x-3.0-(2.5x^2+10.02-10x^2)=0
We add all the numbers together, and all the variables
-7.5x^2-(2.5x^2+10.02-10x^2)+4.8x-3=0
We get rid of parentheses
-7.5x^2-2.5x^2+10x^2+4.8x-10.02-3=0
We add all the numbers together, and all the variables
4.8x-13.02=0
We move all terms containing x to the left, all other terms to the right
4.8x=13.02
x=13.02/4.8
x=2+2.4084507042254/3.3802816901408
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