Equations To Work Out

Question 1

Expand and simplfy
(2x+3)(x-4)(3x-2)

Answer 1

(2x+3)(3x-2)
(6x²+5x-6)(×-4)
6x³(-24x²+5x²)(-20x-6x)+24
6x³-19x²-26x+24

Question 2

Factorise 12ab-8ac+4a²b

Answer 2

12ab÷4a=3b
-8ac÷4a=-2c
4a²b÷4a=ab
4a(3b-2c+ab)