The Total solution for NCERT class 6-12
a2x2┬а+ (ax2┬а+ 1)x + a= a2x2┬а+ a + (ax2┬а+ 1)x= a(ax2┬а+ 1) + x(ax2┬а+ 1)= (ax2┬а+ 1) (a + x)= (x + a) (ax2┬а+ 1)