(b) factorise (3m-1)(6-a)-(m+3)(6-a)

1 answer:

7 0

Answer:

Step-by-step explanation:

(3m-1)(6-a)-(m+3)(6-a)

=3m(6-a)-1(6-a)-m(6-a)+3(6-a)

=18m-3ma-6+a-6m+ma+18-3a

=12m-2ma+12-2a

=2(6m-ma+6-a)

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(b) factorise (3m-1)(6-a)-(m+3)(6-a)​