ragingmiso ragingmiso

17-07-2021
Mathematics

contestada

Friends, i need help with this question.

Friends i need help with this question class=

Respuesta :

limichael2005 limichael2005

17-07-2021

Answer:

Step-by-step explanation:

The answer is 4.

Once you add 4, you get:

x^2 -2x + 4 = 7.

The left side is factorable:

(x-2)^2 = 7.

There is your perfect square.

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