Factorising Expressions Fully Using Common Factors

Factorising Expressions Fully Using Common Factors

Secondary 1

Factorise each of the following expressions completely.

  1. \(7ac-21bc-35c\)
  2. \(5\left( x-8y \right)-3a\left( -8y+x \right)\)

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Answer:(a) \(7c(a - 3b - 5)\), (b) \((x - 8y)(5 - 3a)\)

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