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Fynjy0 [20]
3 years ago
10

Solve x2 - 49 = 0 A) ±49 B) ±12 C) ±7 D) ±6

Mathematics
2 answers:
Stells [14]3 years ago
8 0
X2 - 49 = 0     factor this:0
(x + 7)(x - 7) = 0

x = +/- 7
Alex Ar [27]3 years ago
5 0
C, x = +-7. Difference of squares
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