Question

if x^2 - 9 = 0 then x can only be equal to 3. true or false

Answer 1

Answer:

False

Step-by-step explanation:

The variable could also be -3, not just 3.

Answer 2

Answer:

False

Step-by-step explanation:

x^2 - 9 = 0

x^2 = 9

x = +- 3