Question

Factorise:

a) 3m (a – 3b) + 2n ( a – 3b)

b) a³ – a²b + ab² – b³​

Answer 1

Step-by-step explanation:

a) 3m(a-3b) + 2n(a-3b)

= 3ma-9mb+2na-6nb

b) a³-a²b+ab²-b³

= a³-b³-a²b+ab²

Answer 2

REFER TO THE ATTACHMENT SISO.....

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