Question

2x(x-1) as a product and as a sum.

Answer 1

2x (x -1)

= (2x)(x+ -1)

= (2x(x) + (2x)(-1)

= 2x -2

now this part im not sure about but try this:

x + x - 1 - 1

Answer 2

The answer is 0. 2x-2x=0