Respuesta :

Advent5647

Answer:

x = 2, x = - 2

Step-by-step explanation:

Step 1:

x² - 4 = 0            Equation

Step 2:

x² = 4         Add 4 on both sides

Step 3:

x = [tex]\sqrt{4}[/tex]       Square 4

Answer:

x = 2, x = - 2

Hope This Helps :)

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