Factorise : a²-b²-2bc-c²
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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!!
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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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