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fiasKO [112]
3 years ago
12

W^2-49=0 what are both solutions one is what's the other??

Mathematics
1 answer:
Alborosie3 years ago
3 0
W² - 49 = 0
w² - 7² = - 
(w-7)(w+7)=0
w -7=0 , or w + 7 =0
w=-7, w=7

Answer: -7, 7.
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