Algebraic Techniques, SMB-063 Fully factorise the expression `3a^2+12ab-2a-8b` (2 marks) Show Answers Only `(3a-2)(a+4b)` Show Worked Solution `3a^2+12ab-2a-8b` `=3a(a+4b)-2(a+4b)` `=(3a-2)(a+4b)`