1.

Factorise (x+1)(x-1) - 5/4​

Answer»

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)



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