Question

6. If x2-4=0 then
Ox=2-2
O x=2, 2
Ο Ο Ο
O x=-2-2
None of these​

Answer 1

Answer:

x = 2, -2

Step-by-step explanation:

x² - 4 = 0

=> x² = 4

=> x = √4

=> x = ±2

x = 2, -2

hope it helps.