Question

z2 - 12z + 27 question of class8 ​

Answer 1

Answer:

Step-by-step explanation:

z^2-12z+27

z^2-9z-3z+27

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

(z-9)(z-3)

z-3 = 0

z=3ans...

Answer 2

Answer:

9and 3.Step-by-step explanation:

Z^2-12z+27

Z^2-9z-3z+27

Z(z-9)-3 (z-9)

(Z-9)(z-3)

Z=9 z=3