28=1/2x(4x-9)

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Solution for 28=1/2x(4x-9) equation: 



28=1/2x(4x-9)

We move all terms to the left:

28-(1/2x(4x-9))=0



Domain of the equation: 2x(4x-9))!=0

x∈R



We multiply all the terms by the denominator


-(1+28*2x(4x-9))=0



We calculate terms in parentheses: -(1+28*2x(4x-9)), so:

1+28*2x(4x-9)

determiningTheFunctionDomain
28*2x(4x-9)+1

Wy multiply elements

56x(4+1

Back to the equation:

-(56x(4+1)



We add all the numbers together, and all the variables

-(56x5=0

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