Question

if (x-1) is a factor p(X) kx²+x-3​

Answer 1

let

x-1=0

x=+1

substitute in the given equation

kx^2+x-3=p(x)

let p(x)=0

where x= +1

k1^2+1+3=0

k+4=0

k=-4

^ means sqare of the the number

Answer 2

P(x)=kx^2+x-3
X+1=0
x=-1
P(-1)=k(-1)^2+(-1)-3
=k+(-1)-3
K-1-3
K-4
-k=-4
K=4