Question

Factorise : ab +bc + ax + cx.

Answer 1

The correct answer is ( b + x ) ( a + c )

Answer 2

Solution :

➨ ab + bc + ax + cx

➨ ( ab + bc ) + ( ax + cx )

➨ b ( a + c ) + x ( a + c )

➨ ( a + c ) ( b + x )

Some information about : Factorisation by Grouping

Sometimes in a given expression it is not possible to take out Common factor directly. However, the terms of the given expression are grouped in such a manner that we may have a common factor. This can now be factorized as solved above.