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Kipper
Mathematics
11 August, 17:45
Solve
x2 - 49 = 0
A) ±49
B) ±12
C) ±7
D) ±6
+1
Answers (
2
)
Mila Esparza
11 August, 18:09
0
X2 - 49 = 0 factor this:0
(x + 7) (x - 7) = 0
x = + / - 7
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Abraham Zamora
11 August, 18:13
0
C, x = + - 7. Difference of squares
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