If the difference between 3A ^ 3B ^ n and 5A ^ MB ^ 4 is monomial, M = then n= If the polynomial 9x ^ 3 + 4x-2 and x ^ n-1 are the same polynomial, then n= If a polynomial plus - 2 + x-x ^ 2 yields x ^ 2-1, then the polynomial is

If the difference between 3A ^ 3B ^ n and 5A ^ MB ^ 4 is monomial, M = then n= If the polynomial 9x ^ 3 + 4x-2 and x ^ n-1 are the same polynomial, then n= If a polynomial plus - 2 + x-x ^ 2 yields x ^ 2-1, then the polynomial is

m=3,n=4
n-1=3,n=4
(x^2-1)-(-2+x-x^2)=2x²-x+1