∀ {n : Type u_1} {A : Type u_2} [inst : Fintype n] [inst_1 : SMul ℂ A] [inst_2 : Semiring A] (x : ℂ)
  (x_1 : Matrix n n A), CStarMatrix.ofMatrixRingEquiv.toFun (x • x_1) = CStarMatrix.ofMatrixRingEquiv.toFun (x • x_1)