Question

Complete the equation: x2−4x+−−=(−−)2

Answer 1

The complete equation is x^2 - 4x + (-2) = (-2)^2

How to complete the equation?

The equation is given as:

x^2 - 4x + __ = (__)^2

_____________________________

Take the coefficient of x

k = -4

Divide by 2

k/2 = -4/2

k/2 = -2

Square both sides

(k/2)^2 = (-2)^2

_____________________________

Add the result of the above computation to both sides of x^2 - 4x + __ = (__)^2

So, we have:

x^2 - 4x + (-2) = (-2)^2

Hence, the complete equation is x^2 - 4x + (-2) = (-2)^2

Read more about completing the square at:

brainly.com/question/16483306

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