Math, asked by vaishnavibansla3, 2 months ago

.Multiply z²-4z+25 with 12z²+15zy.

Answers

Answered by thusharab

3

Answer:

12z^4-48z^3+300z^2+15z^3y-60z^2y+375zy

Step-by-step explanation:

(z^2-4z+25)*(12z^2+15zy)

=12z^2*(z^2-4z+25)+15zy*(z^2-4z+25)

=(12z^2*z^2)-(12z^2*4z)+(12z^2*25) +(15zy*z^2)-(15zy*4z)+(15zy*25)

=12z^4-48z^3+300z^2+15z^3y-60z^2y+375zy

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