Question

factorise 9y^2-66yz+121z^2 plss answer with steps plss

Answer 1

Answer:

(3y - 11z)2

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

(3y - 11z)(3y - 11z)

9y^2: 3y 3y

121z^2: 11z 11z

(3y - 11z)(3y - 11z)

9y^2 - 33yz - 33yz + 121z^2

9y^2 - 66yz + 121z^2