Question

4x^-9y^-4xz+6yz please answer give me ​

Answer 1

Step-by-step explanation:

4x^2+9y^2+z^2-12xy+6yz-4xz

= (-2x)^2+(3y)^2+(z)^2+2(-2x)(3y)+2(3y)(z)+2(z)(-2x)

=(-2x+3y+z)^2