Question

Solve the following equation: x2 - 14x + 49 = 0
{7}
{-7}
{-7, 7}
{ 7,-7}

Answer 1

huh.
(x-7)^2 = 0
so x = 7. equal roots.

Answer 2

x2 - 14x + 49 = 0
x2 - 7x-7x + 49 = 0
(x-7)^2=0
x=7

Answer 3

medal plzz:):):)

Answer 4

can i also have the medal???