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Can someone help me with this ?
71.3k views
5 votes
Can someone help me with this ?

Can someone help me with this ?-example-1
User Aelor
by
9.2k points

2 Answers

2 votes
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
User Bob Sponge
by
8.5k points
2 votes
(w³+7)/w=(9w²+7)/9
(w³+7)9=(9w²+7)x
9w³+63=9w³+7x
63=7x
x=9
User Otisonoza
by
8.0k points
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