Question

please factoriz 9+ z square + 6z​

Answer 1

Answer:

z^2 + 6z + 9

z^2 + 3z + 3z + 9

z(z + 3) + 3(z+3)

(z + 3)(z + 3)

hope it helps...u pls mark my answer as brainliest....

Answer 2

Answer:

z^+6z+9=0

z^+3z+3z+9=0

z(z+3)+3(z+3)=0

(z+3)(z+3)=o

z+3=0,z+3=0

z=-3