Simplify \(F\times 1\times (-4,0)\) to \(F(-4,0)\).
\[F(-4,0),F(4,0)\]
Simplify \(F(-4,0)\) to \(F\times -4,0\).
\[F\times -4,0,F(4,0)\]
Regroup terms.
\[-4F,0,F(4,0)\]
Simplify \(F(4,0)\) to \(F\times 4,0\).
\[-4F,0,F\times 4,0\]
Regroup terms.
\[-4F,0,4F,0\]
-4*F,0,4*F,0
