Algebraic Techniques, SMB-057 Expand and simplify the expression `(2x-5)^2` (2 marks) Show Answers Only `4x^2-20x+25` Show Worked Solution `(2x-5)^2` `=(2x-5)(2x-5)` `=4x^2-10x-10x+25` `=4x^2-20x+25`