Question

Express of (x – y)3



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Answer 1

Answer:

1. x³- y³- 3xy ( x - y )

2. x³- 3x²y + 3xy²- y³

Answer 2

Answer:

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

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