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(2) (7x + 8y) |
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Answer» (7x + 8y)³ (7x)³ + (8y)³ + 3×(7x)×(8y) ( 7x + 8y) 343x³ + 512y³ + 168xy ( 7x + 8y) 343x³ + 512y³ + 1176x²y + 1344xy² |
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