Question

FACTORISE 2a²-2b²-a-b​

Answer 1

Step-by-step explanation:

hope you understand please

Answer 2

Answer:

Step-by-step explanation:

2[a^2-b^2]-1[a+b]

= 2[a-b][a+b] - 1[a+b]

=  [ 2[a-b] - 1 ] [a+b]

so a-b = 1/2 or a=-b

    a=2b+1 / 2 or a=-b

so we can equate both equations

2b+1 / 2 = -b

2b+1 = -2b

4b=-1

b= -1/4

a= -[-1/4]