Respuesta :

Exact form: (8.3+6.3)^2-66.138
Decimal Form: 147.022
I don't really think that this is the answer to what you're looking for but I do think you made an error on your question.
(8.3+6.3)^2-66.138= 147.022

26.4-3-8.8= 14.6
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