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3(42.3)-15+2(42.3)(y)(y)=180
We move all terms to the left:
3(42.3)-15+2(42.3)(y)(y)-(180)=0
determiningTheFunctionDomain 2(42.3)yy-15-180+3(42.3)=0
We add all the numbers together, and all the variables
2(42.3)yy-68.1=0
We multiply parentheses
84.6y-68.1=0
We move all terms containing y to the left, all other terms to the right
84.6y=68.1
y=68.1/84.6
y=16.609756097561/20.634146341463
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