Question: Multiple choice. Please explain:) 48. Simplify: State any restrictions on the variables: x2-16 x- +5x+4 x2+5x+6 x2-2x-8 (x-4)2 A. (x+3)(x+1);*#-3, -1 C ( x+4) 2

Multiple choice. Please explain:)

48. Simplify: State any restrictions on the variables: x2-16 x- +5x+4 x2+5x+6 x2-2x-8 (x-4)2 A. (x+3)(x+1);*#-3, -1 C ( x+4) 2 ( x +1 ) (x+2)2(x+3);*#-3, -2,4 B. (x-4)2 (x+3)(x+1);* *-4,-3,-2, -1,4 D. 1 CK+D); X * -4, -3, -2, -1,4 3 49. Simplify the complex fraction: 4 y 3 2y A. B. - C. - 2 D. 3 20 50. If each of the following expressions is defined, which is equivalent to x - 1? A. (x+1)(x-1) " (x+1)(x+2) x+2 (x-1) x-2 x - 2 B. x+1 x-1 x+2 x+2 D ( x-1)(x+2) x+ 1 x+1 x+2 51. Solve the equation: - _ 4 d+7 = d-5 d+ 2 A. d = B. d = C. d = 17 5 D. d = - 17

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