Question

If -2 is a root of the equation kx^2 + 5x - 3k = 0 then, find the value of k.​

Answer 1

Step-by-step explanation:

Given:-

The root of the quadratic equation is

$k {x}^{2} + 5x - 3k = 0$

$k \times ( { - 2)}^{2} + 5 \times ( - 2) -3 k = 0$

$k \times 4 - 10 - 3k = 0$

$4k - 10 - 3k = 0$

$k = 10$

The value of k is 10.