+1678 What is the sum of all the x-values that satisfy the equation $5 = \dfrac{x^3 - 2x^2 -8x}{x+2}$
+1223 \(5(x+2) = x^3 - 2x^2 - 8x\)
\(5(x+2) = x(x-4)(x+2)\)
\(5 = x(x-4)\) . (notice that x can't be equal to -2)
\(0 = x^2 - 4x - 5\)
\(\boxed{x = 5, -1}\)
+1223 \(5(x+2) = x^3 - 2x^2 - 8x\)
\(5(x+2) = x(x-4)(x+2)\)
\(5 = x(x-4)\) . (notice that x can't be equal to -2)
\(0 = x^2 - 4x - 5\)
\(\boxed{x = 5, -1}\)
