Respuesta :

it is
(3-x)^2
i made sure it correct this time
mathstudent55

Answer:

(x - 3)^2

Step-by-step explanation:

9 - 6x + x^2 =

= x^2 - 6x + 9

You need two numbers whose product is 9 and whose sum is -6. The numbers are -3 and -3.

= (x - 3)(x - 3)

= (x - 3)^2

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