Question

Factorize : a² + b² + 2( ab + bc + ca) ​

Answer 1

Solution : a² + b² + 2ab + 2bc + 2ca

= (a² + b² + 2ab) + 2bc + 2ca

= (a + b)² + 2c( b+a)

= (a + b) (a + b) + 2c ( a + b )

= (a + b) [ (a +b) + 2c ]

= (a + b) ( a + b + 2c )

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Answer 2

Here you go!

sorry for the wrong answer last time...

my sister did that......