Question

Solution of a quaratic equation by completing the square x²-6x+9=0​

Answer 1

x² - 2*3*x + 3² = 0

( x - 3 )² = 0

x = 3 Answer

Answer 2

Answer:

x^2-6x=-9

x^2-2×x×3 +3^2=-9+9

(x-3)^2=0

x-3=0

x=3