Question

solve for x

0=(2^x-4)

Answer 1

x=2

Answer 2

how is that?

Answer 3

2^x=4
2 to what power equal 4
the only answer is 2

Answer 4

x is 2 or -2

Answer 5

Not -2

Answer 6

is that possible to make it =4

Answer 7

That give 2^-2 = 1/4 not 4

Answer 8

unless you meant to write x^2-4=0, the only solution is +2