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Mnenie [13.5K]
3 years ago
15

Solve this equation using an algebraic method.

Mathematics
1 answer:
kupik [55]3 years ago
7 0
(x+4) (x-4) = 9 
(x^2 - 16) = 9
x^2 = 25 
x=5 & x = -5 
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