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Factorise : a²-b²-2bc-c² |
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Answer» DEAR friend, Here's your answer... =a² - b² - 2BC - c² =a² - ( b² + 2bc + c² ) = a² - ( B + c )², By using a² + 2AB + b² = (a + b)² =( a + b + c ) ( a + b + c ), By a² - b² = (a+b) (a-b) Hope it helps you!! PLEASE mark my answer as brainliest! |
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