Respuesta :

Aya2251
here you go. I explained it a little. the vertex is the opposite of the number in the ( ) and the number outside the ( )
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SoccerHalo

Answer:

a) x=-2

Step-by-step explanation:

AOS can be found by the formula -b÷2a

(x-1)(x-1) = x²-2x+1

b=-2

a=1

-2÷1=-2

x=-2

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