In the same way as you could factor trinomials on the form of
x2+bx+cx2+bx+cYou can factor polynomials on the form ofax2+bx+cax2+bx+cIf a is positive then you just proceed in the same way as you did previously except nowax2+bx+c=(x+m)(ax+n)ax2+bx+c=(x+m)(ax+n)where c=mn,ac=pq and b=p+q=am+n