kimberlylopez719 kimberlylopez719

13-06-2020
Mathematics

contestada

What are the solution's of x2-4=0

Respuesta :

soochdavinder soochdavinder

13-06-2020

Answer:

x=2 or x=-2

Step-by-step explanation:

x2−4=0

Step 1: Add 4 to both sides.

x2−4+4=0+4

x2=4

Step 2: Take square root.

x=±√4

x=2 or x=−2

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