MX4 = (-b2^2-b3^2-b4^2-b5^2*e2^2-2*b5^2*e2)

MX3 = (b2^2*b3^2+b2^2*b4^2-b2^2*b5^2+b3^2*b4^2-b3^2*b5^2+2*b3*b4*b5^2*e1*e2+2*b3*b4*b5^2*e1+2*b3*b4*b5^2*e2+2*b3*b4*b5^2-b4^2*b5^2)

MX2 = (-b2^2*b3^2*b4^2+b2^2*b3^2*b5^2+b2^2*b4^2*b5^2-b3^2*b4^2*b5^2*e1^2-2*b3^2*b4^2*b5^2*e1)

MX = (-b2^2*b3^2*b4^2*b5^2)

MXZ = (-2*b3*b4*b5*e1-2*b3*b4*b5)

MX2Z = (2*b5*e2+2*b5)