Answer :
Explanation:
Notice that x³ + 3x²y + 3xy²+ y³ is of the form
(x + y)³.
When x = 3 and y = 4,
(x + y)³ = [(3) + (4)]³ = 7³ = 343.
Explanation:
Notice that x³ + 3x²y + 3xy²+ y³ is of the form
(x + y)³.
When x = 3 and y = 4,
(x + y)³ = [(3) + (4)]³ = 7³ = 343.