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Mathematics
Ellen Vega
22 July, 00:41
What are the solution (s) of x2-4-0?
X = 4 or X=4
X=-2 or x = 2
x=2
x=4
+4
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1
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Mathews
22 July, 03:17
0
Step-by-step explanation:
First you add 4 on both sides
X^2=0
Then you take square on both sides
X= + - the square root of 4
Simplify that
X=plus or minus 2
The answer can be either - 2 or + 2 (which is just 2)
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