Identify the roots of the equation and the multiplicities of the roots.
(x-6)(x + 4)² = 0
A.The root -6 has a multiplicity of 1. And The root 4 has a multiplicity of 2.
B.The root 4 has a multiplicity of 1. And The root -6 has a multiplicity of 2.
C.The root 6 has a multiplicity of 1. And The root -4 has a multiplicity of 2.
D.The root -4 has a multiplicity of 1. And The root 6 has a multiplicity of 2.