Question

factorise (x+1)(x-1) - 5/4​

Answer 1

Answer:

(x+1)(x-1) - 5/4

=open the bracket,

we get, x^2 -1 -5/4

=x^2 - 9/4

=x^2 - (3/2)^2

=(x+3/2)(x-3/2)