Simplify
[tex](x + y) {}^{3} - (x - y) {}^{3} - 6y( x {}^{2} - y {}^{2} )[/tex]
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Simplify
[tex](x + y) {}^{3} - (x - y) {}^{3} - 6y( x {}^{2} - y {}^{2} )[/tex]
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Answer:
20y³-12x²y
Step-by-step explanation: