Question

find the value of K which x - 1 is a factor of polynomial 4x3 + 3x2 - 4x + K.​

Answer 1

Pls mark as brainliest answer

Answer 2

Step-by-step explanation:

$x - 1 = 0$

$x = 1$

$Let \: \: p(x) = 0$

$p(x) = 4 {x}^{3} + 3 {x}^{2} - 4x + k$

$So, \: 4 {x}^{3} + 3 {x}^{2} - 4x + k = 0$

$4( 1)^{3} + 3(1)^{2} - 4( 1) + k = 0$

$4( 1) + 3(1) - 4 + k = 0$

$4 + 3 - 4 + k = 0$

$k + 3 = 0$

$k = - 3$

I hope it is helpful