Question

solution set of equation x^2-4=0is​

Answer 1

Step-by-step explanation:

${x}^{2} = 4$

Answer 2

Step-by-step explanation:

x² - 2² = 0

( x - 2 ) (x + 2 ) = 0

1st case::: x - 2 = 0

x = 2

2nd case::::: x + 2 = 0

x = -2

solution set = ( 2 , -2 )