Question

if x-1 is a factor of 4x+3x-4x+k then find the value of k .

Answer 1

Answer:

-3.

Step-by-step explanation:

• x - 1 = 0

        x= 1

Put the value of x.

4 x  + 3 x  - 4x  + k = 0

⇒ 3 + k = 0

∴ k = - 3.

Answer 2

x-1=0 so x= 1
4x+3x-4x+k=0
4×1+3×1-4×1+k=0
so, k= -3