Question

Factorise: 5ab - 7db + 5ac - 7dc​

Answer 1

Answer:

$5ab - 7db + 5ac - 7dc$

$=( 5ab + 5ac) - (7db + 7dc)$

$= 5a(b + c) - 7d(b + c)$

$= (b + c)(5a - 7d)$

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Answer 2

Answer:

Hey!! Ur answer:

5ab−7db+5ac−7dc

=( 5ab + 5ac) - (7db + 7dc)

=5a(b + c) - 7d(b + c)

=(b + c)(5a - 7d)

Step-by-step explanation:

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