Question

Factorise the following polynomials by
grouping
a) ab- bc + ad-cd​

Answer 1

Answer:

(a-c) (b+d)

Step-by-step explanation:

ab - bc + ad - cd (taking b and d as common )

b ( a - c ) + d ( a - c )

( a - c ) ( b + d )

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Answer 2

Answer:

(a-c) (b+d)

Step-by-step explanation:

ab - bc + ad - cd (taking b and d as common )

b ( a - c ) + d ( a - c )

( a - c ) ( b + d )

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