Unit 4: Rational Expressions and Equations Assignment Booklet 4 5. Consider the following table: Possibilities for a Possibilities for b Possibilities for c Possibilities for d x2- 4 x2 - 4 2x +4 2x +4 2x2 -8 2x2 - 8 2x -4 2x -4 x - 25 x2 - 25 2x + 10 2x +10 2x2 -50 2x2 - 50 2x - 10 2x -10 Select one expression from each column in the chart so that - - can be simplified to b d x -5 Show work to demonstrate the simplification. (2 marks)