Question

using quadratic formila solve x2 -12x +72​

Answer 1

x^2 - 12x + 72 = 0

So,

x = [ 12 ± √(144 - 4×1×72) ]/2

x = [12 ± √-144]/2

x = [ 12 ± 12¡ ]/2

x = 6 ± 6¡

Therefore,

$\fbox{x = 6 + 6i}$ or $\fbox{x = 6 - 6i}$

$\huge\dagger\: \sf\large{@William}\huge\:\dagger$

Answer 2

Answer:

Refer to both the attachment....

There is no real root

So it's not possible..