Question

Simplify the expression (x^3 - 9x) / (x^2 - 2x - 3). a) (x+1) b) (x-3) c) (x-1) d) (x+3)

Answer 1

`\frac{ {x}^(3) - 9x }{ {x}^(2) - 2x - 3} = \frac{x( {x}^(2) - 9) }{(x + 1)(x - 3)} = (x(x - 3)(x + 3))/((x + 1)(x - 3)) = (x(x + 3))/(x + 1)`