Question

a) (x-3) (2x+4)
b) (2x-5) . (x-4x)
c) (-3-4x) (x-5)

Answer 1

a) (x-3).(2x+4)

2x²-4x-6x-12

2x²-10x-12

b) (2x-5).(x-4x)

2x²-8x²-5x+20x

-6x²+15x

c) (-3-4x).(x-5)

-3x+15-4x²+20x

-4x²+17x+15