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Mathematics
Kamila Preston
16 January, 07:54
10) x²=16
A ±4
B ±8
C 4
D 8
+5
Answers (
1
)
Melanie Avila
16 January, 08:01
0
x² = 16
x² - 16 = 0
x² - 4² = 0
(x - 4) (x + 4) = 0
x = 4 or x = - 4
x = ±4 (A)
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