28=4(xx2)

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Solution for 28=4(xx2) equation: 



28=4(xx2)

We move all terms to the left:

28-(4(xx2))=0

determiningTheFunctionDomain
-4xx2+28=0

We move all terms containing x to the left, all other terms to the right

-4xx2=-28

x=-28/1

x=-28

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