Respuesta :

Y=x^2+7^2-3
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Y = (x + 7) ^2 - 3

Needs to end up in form

Y=ax^2+bx+c


(X+7)^2=(x+7)(x+7)-3


Now do foil method


Xx + x(7)+7x+7(7)-3


Combine like terms


Y=x^2+14x+49-3


Simplify


Y= x^2+14x+46

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