Question

Use a suitable identity to get each of the following products



b) (x - 4 )( x - 7)


c) 512
- 412

d) 1022​

Answer 1

b) (x - 4 )( x - 7) = x^2 - 11x + 28

c) 512 -

412

_____

= 100

d) 1022 = 1022