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mars1129 [50]
2 years ago
13

© Factorise completely 15z^2-9z -

Mathematics
1 answer:
ollegr [7]2 years ago
4 0

Answer:

3z(5z-3)

Step-by-step explanation:

first you choose the common items which in this case was 3z the you divide 15 by 3 and 9 by 3

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