Algebraic Techniques, SMB-022 Expand and simplify the expression `4a(a-3)-5(6-a)` (2 marks) Show Answers Only `4a^2-7a-30` Show Worked Solution `4a(a-3)-5(6-a)` `=4a^2-12a-30+5a` `=4a^2-7a-30`