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84=1/2x(3x+3)
We move all terms to the left:
84-(1/2x(3x+3))=0
Domain of the equation: 2x(3x+3))!=0We multiply all the terms by the denominator
x∈R
-(1+84*2x(3x+3))=0
We calculate terms in parentheses: -(1+84*2x(3x+3)), so:We add all the numbers together, and all the variables
1+84*2x(3x+3)
determiningTheFunctionDomain 84*2x(3x+3)+1
Wy multiply elements
168x(3+1
Back to the equation:
-(168x(3+1)
-(168x4=0
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