Question

a²+b²+2ab-c²-d²-2cd factorise​

Answer 1

Answer:

Which of the following did the daughters and the sons-in law of Abel Merryweather was the Jordans reached the Slaters?

Answer 2

$\huge\underline\mathbb\pink{ANSWER :}\\\[$

$\tt \: a² + b² + 2ab - c² - d² - 2cd$

$\tt \implies \: (a² + b² + 2ab) - (c² + d² +2cd)$

$\tt \implies \: (a + b)²-(c+d)²$

$\tt \implies [(a+b)+(c + d) ][ (a + b)-(c + d)]$

$\tt \implies \: (a+b+c+d) (a+b-c-d)$

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