Factorise:
a2x2+(ax2+1)x+a
a2x2+(ax2+1)x+a=a2x2+a+(ax2+1)x=a(ax2+1)+x(ax2+1)=(ax2+1)(a+x)
Factorise: a2x2+(ax2+1)x+a
Factorise by grouping method: