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0=-0.03(x)(x)+1.3x+4
We move all terms to the left:
0-(-0.03(x)(x)+1.3x+4)=0
We add all the numbers together, and all the variables
-(1.3x-0.03xx+4)+0=0
We add all the numbers together, and all the variables
-(1.3x-0.03xx+4)=0
We get rid of parentheses
-1.3x+0.03xx-4=0
We move all terms containing x to the left, all other terms to the right
-1.3x+0.03xx=4
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