# o0o Harsh 4 o0o

**Algebra**Level pending

There are 0nly 0ne way t0 ch00se \(real numbers M and N\) such that when the \(polynomial\) \(5x^{4} + 4x^{3} + 3x^{2} + Mx + N\) when divided by the \(polynomial\) \(x^{2} + 1\) ; the \(remainder\) is \(0\) . If \(M\) and \(N\) assume these unique values ; then \(M - N\) is \(???\)