Question

solve using completing square x²-6x+4=0


pls help​

Answer 1

Answer:

x

2

−6x+4=0

Add the coefficient of (

2

x

)

2

to both sides

x

2

−6x+(3)

2

=−4+(3)

2

(x−3)

2

=−4+9

x−3=

5

x=±

5

+

see this picture

Step-by-step explanation:

Force a perfect square trinomial such that a2+2ab+b2=(a+b)2 on the left side of the equation. Then take the square root of both sides and solve for x . Add 4 to both sides of the equation. Take the coefficient of the x term and divide it by 2 and square the result.

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