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Yuri [45]
3 years ago
13

Please answer asap!!!! will mark brainiest

Mathematics
2 answers:
GarryVolchara [31]3 years ago
7 0
1) add 4 to each side (the -4 will cancel)
Then the equation will be X2= 4
Then cancel the 2 then do the same on the other side
Now you got X=2 (but it could be - or +)

X= 2,-2
Inga [223]3 years ago
3 0

Answer:

x=2

Step-by-step explanation:

We know the only number that gets us back to 0 after subtracting 4 is 4, because 4-4=0. The square root of 4 is 2. Hope my explanation wasn't too confusing!

2²=4

4-4=0

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