Question

Factorise z square +12z+27

Answer 1

Step-by-step explanation:

X1 = -3

X2 = -9

This answer for z²+12z+27

Answer 2

Answer:

(z-9) (z-3)

Step-by-step explanation:

question:z^2-12z+27

=z^2-9z-3z+27

=z^2-9z-3z+27

=z(z-9)+3(z-9)

=(z-9) (z-3) is the correct answer I hope its helps you buddy.