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

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

(4,5

look up a corrdinate plane and do what the thingy says and boom