Answer :

[tex]x^2 - 8x + 16 = 25\\ \\(x-4)^2=5^2\\ \\x-4=5\ \ \ \vee\ \ \ x-4=-5\\ \\x=5+4\ \ \ \ \ \ \ \ \ x=-5+4\\ \\x=9\ \ \ \ \ \ \ \ \ \ \ \ \ \ x=-1[/tex]

Other Questions