Question

What should be added to x³+ 3x²y + 3xy²+ y³ to get x3 + y³?


⚠️No Spamming ​

Answer 1

Answer:

x³+ 3x²y + 3xy²+ y³

=> Add - 3x²y - 3xy²

=> x³+ 3x²y + 3xy²+ y³ +(- 3x²y - 3xy²)

=> x³ + y³

Answer 2

Answer:

$- (y {}^{2} + 3x {}^{2} y + x {}^{3 })$