Question

How many solutions are there for the equation? x2 + 16 = 8x

Answer 1

2 solution because its X^2

Answer 2

x^2 + 16 = 8x
x^2 -8x+ 16 = 0
delta = (-8)^2 - 4(1)(16) = 64 - 64 =0
Since delta = 0, there is a double real root.

Answer 3

okay, thanks guys :)