Question

9y2 + 12yz + 4z2 find the factorise​

Answer 1

Answer:

9y² +12yz +4z²

(3y)² +2•3y•2z +(2z)²

(3y+2z)²

Answer 2

Step-by-step explanation:

using the identity a^2 + 2ab + b^2 = (a+b)^2

a = √9y^2 = 3y

b = √4z^2 = 2z

9y2 + 12yz + 4z2 = (3y + 2z)^2

= (3y + 2z) (3y + 2z)

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