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5 votes
Which equation has both 4 and -4 as possible valuse of y

User Vashon
by
8.1k points

1 Answer

5 votes
The equation you are looking for

y^2-16=0
[y-4][y+4]=0

Either
y-4=0
y=4

or
y+4=0
y=-4
User Mariano LEANCE
by
7.8k points