Question

Write the following cube in the expanded form:




(5p – q)3

Answer 1

Answer:

(5p-3q)=(5p)^3-(3q)^3-3(5p)(3q)(5p-3q)

= 125p^3-27q^3-225p^2q +135pq^2

by using identity (x-y)^3= x^3-y^3-3xy (x-y)

hope it was help full

Answer 2

(5p-q)³ = (5p)³-3(5p)²(q)+3(5p)(q²)-(q)³

= 125p³-15p²q + 15pq²-q³

Hope this helps you friend

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