(X-2) (x + 3) - x ^ 2 + X-7 ratio

(X-2) (x + 3) - x ^ 2 + X-7 ratio

(x-2)(x+3)-(x²+x-7)
=x²+x-6-x²+x+7
=1>0
So (X-2) (x + 3) > X & # 178; + X-7