Question

z²+6z+9 FACTORIZE....​

Answer 1

Answer:

${(z + 3)}^{2}$

Step-by-step explanation:

${z}^{2} + 6z + 9$

${z}^{2} + 3z + 3z + 9$

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

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

${(z + 3)}^{2}$

Hope it helps