Question

What number should be added to both sides of the equation to complete the square?

English
x2 - 6x = 5
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Answer 1

add 9 to each side

Explanation:

x^2 -6x = 5

Take the coefficient of the x term

-6

Divide by 2

-6/2=3

Square it

3^2 =9

Add 9 to each side

x^2 -6x+9 = 5+9

(x-3)^2=14