Respuesta :

you have to complete the square. p-29+49=x^2-14x+49. p+20=(x-7)^2.

p(x)={(x-7)^2}-20
I hope this helps you



x^2-14x+49-20


(x-7)^2-20


a=1


h= -(-7)=+7


k= -20

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