Question

Factorise: 98 (a+b)^2-2

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

2 ( 7a + 7b + 1 ) ( 7a + 7b - 1 )

Step-by-step explanation:

2 ( 49(a+b)^2 - 1 )

2 ( [ 7(a+b) ]^2 - 1 )

2 ( 7 (a+b) + 1) ( 7 (a+b) - 1)

2 ( 7a + 7b + 1 ) ( 7a + 7b - 1 )