djejejejejr2838 djejejejejr2838 21-01-2024 Mathematics contestada Given f, of, x, equals, x, cubed, plus, 5, x, plus, kf(x)=x 3 +5x+k, and x, minus, 2x−2 is a factor of f, of, xf(x), then what is the value of k?