Question

Solve - p^3-(p+1)^3​

Answer 1

-p^3-p^3-1 -3p^2-3p=0

2p^3+3p^2+3p+1

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Answer 2

Answer:

Step-by-step explanation:

Using the identity, a^3 - b^3 = (a^2 + b^2 + 2ab)

p^3 - (p + 1)^3

= {p - (p + 1)} { (p)^2 + (p + 1)^2 + p*(p + 1) }

= ( -1 ) ( p^2 + p^2 + 1 + 2p + p^2 + p )

= ( -1 ) ( 3p^2 + 3p + 1 )

= -3p^2 - 3p - 1

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