Question: 5. Select one expression from each column in the chart so that ~ .- can be simplified to 2(x-2) x+5 Show work to demonstrate the

5. Select one expression from each column in the chart so that ~ .- can be simplified to 2(x-2) x+5 Show work to demonstrate the simplification. (2 marks) Possibilities for a Possibilities for b Possibilities for c Possibilities for d x- -4 x-4 2x + 4 2x + 4 2x -8 2x -8 2x - 4 2x - 4 x2 - 25 x- 25 2x + 10 2x + 10 2x2 -50 2x2 - 50 2x -10 2x - 10 6. Simplify each of the following. State the non-permissible value(s). a. 6x y' 10xy 2x -3 6.x 5x* 21 12 (2 marks) b. 12x - 27 x-3 (2 marks) C. 1-x2 x-1 4x 9x 9r (2 marks) x+1 d. 7x+14 42+21x (2 marks) 7. Simplify. State the non-permissible value(s). a. 3 1 (2 marks) b. 2x+1 8 2p x' -16 x+4

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