1EM Unit 4 SW I Q12

1EM Unit 4 SW I Q12

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Factorise:

\({a^2b - ab^2}\)
\({12a - 8b + 20c}\)
\({5(x - 8y) - 3a(-8y + x)}\)

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Answer:(a) ab(a - b); (b) 4(3a - 2b + 5c); (c) (5 - 3a)(x - 8y)

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