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Question 1

a The factorised form of \(3z\) + 6 is
check answer for question 1a.
b The factorised form of \(4x\) − 12 is
check answer for question 1b.
c

The factorised form of \(3xz\) + \(6xy\) − \(12x^2\) is

check answer for question 1c.