Question

If(x-1)is a factor of x²+x+k then find k​

Answer 1

Answer:

$f(x) = {x}^{2} + x + k \\ \\ f(1) = 0 \\ \\ {1}^{2} + 1 + k = 0 \\ \\ k + 2 = 0 \\ \\ k = - 2.$

Step-by-step explanation:

$k = - 2.$