Algebraic Techniques, SM-Bank 135 MC The expansion of \(4x(5-y)\) is: \(9x-4xy\) \(4x-5xy\) \(20-4xy\) \(20x-4xy\) Show Answers Only \(D\) Show Worked Solution \(4x(5-y)\) \(=4x\times 5+4x\times (-y)\) \(=20x-4xy\) \(\Rightarrow D\)