b (5x + 2y)3 - (5x – 2y)3
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Answer:
b ×5 x + b ×2 y +- 3×5x-3×-2y-3×5x-3×-2y
5xb+2by-15x+6y-15x+6y
5xb+2by-30x²+12y²
Step-by-step explanation:
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