Question

write the expanded form of (5p-3q)³​

Answer 1

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Answer 2

Step-by-step explanation:

Using the identity

(x - y)³ = x³ - y³ - 3xy(x - y)

Where we put

x = 5p and y = 3q in equation, know we get

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

= 125p³ - 37q³ - 225p²q + 135pq² Ans.