Question

9z^2-x^2-4y^2+4xy factorisation
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Answer 1

Answer:

(x-1)=0

x=1

Step-by-step explanation:

9z²-x²-4y²+4xy=0

9z²-1-4y²+4y=0

9z²-1-y=0

9z²-1=y

Answer 2

Answer:

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