I'm not sure about my answer,but still writing it...
= ³√4a⁶ - 2/a-³ - (a²)3/2
= a² × ³√4 - 2a³ - 3a²/2
Cann't think that it could be futher more evaluted
2x^2+8xy+8y^2
2(x^2+4xy+4y^2)
X= 0 (multiplicity of 1)
X= -2 (multiplicity of 1)
X= 2 (multiplicity of 2)
