Question

multiply z2 - 4z + 25 with 12z2 +15zy

Answer 1

I don't understand please repeat

Answer 2

Answer:

${z}^{2} - 4z + 25 \times 12 {z}^{2} + 15zy$

$12 {z}^{2} - 4z + 15zy + 25$