Question

if x = 5 is root of equation Kx^2 - 4x - 5 = 0 find k​

Answer 1

Answer:

k=1

Step-by-step explanation:

k($5^{2}$) - 4(5) - 5 = 0

25k - 25 = 0

25k = 25

k = 1

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Answer 2

Answer:

if x = 5 is root of equation Kx^2 - 4x - 5 = 0 find k

(Ans k = 75 / 25 = 1)