F(\(x\)) = -2\(x\)4 + 3\(x^3\) - 4\(x\) + 2\(x^4\) - \(x^2\) - 3\(x^3\) - \(x\) + 1
F(\(x\)) = ( -2\(x^4\)+2\(x^4\)) + (3\(x^3\) - 3\(x^3\)) -(4\(x\) + \(x\)) + 1
F(\(x\)) = 0 + 0 - 5\(x\) + 1
F(\(x\)) = - 5\(x\) + 1
\(f\left(x\right)=-2x^4+3x^3-4x+2x^4-x^2-3x^3-x+1\)
\(f\left(x\right)=-2x^4+2x^4+3x^3-3x^3-4x-x-x^2+1\)
\(f\left(x\right)=-5x-x^2+1\)