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Rus_ich [418]
3 years ago
9

Can someone help me with this ?

Mathematics
2 answers:
telo118 [61]3 years ago
7 0
(w³+7)/w=(9w²+7)/9
(w³+7)9=(9w²+7)x
9w³+63=9w³+7x
63=7x
x=9
ser-zykov [4K]3 years ago
6 0
W cannot = 0
Cross multiply to get 
9(w^3+7) = (9w^2+7)w
Remove parentheses 
9w^3+63=9w^3+7w
Cancel equal terms
63 = 7w
Divide by 7
w = 9 , w = 0
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