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A number is raised to the third power, then subtracted from 15 to get 7. What is the number squared?

User Ian Wong
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1 Answer

4 votes

Answer:

x=22

Explanation:

Let the unknown number be x

:- the power of x = x³

From the question

x³-15=7 and x²

x³=7+15

x³ * x²= 22

x= 22

User Unigeek
by
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