Question

(i) ax2 + (a2+1)x +a​

Answer 1

ax² + (a²-1)x-a

=ax² + a²x-x-a

=ax(x+a)-1 (x + a)

= (ax-1) (x + a)

THEREFORE :- the factors of ax² + (a²-1)x-a are (ax-1)(x+a)