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Algebraic Techniques, SM-Bank 135 MC

The expansion of  \(4x(5-y)\) is:

  1. \(9x-4xy\)
  2. \(4x-5xy\)
  3. \(20-4xy\)
  4. \(20x-4xy\)
Show Answers Only

\(D\)

Show Worked Solution
\(4x(5-y)\) \(=4x\times 5+4x\times (-y)\)
  \(=20x-4xy\)

  
\(\Rightarrow D\)

Filed Under: Expand and Factorise Tagged With: num-title-ct-core, smc-4696-10-Expand

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