Question

Find the value of "K in 5x² + kx - 4
if (x + 1) is a
factor of 5x² + kx-4​

Answer 1

Answer:Step-by-step explanation:

p(x)=2x³-5x²+kx-x+2

g(x)=x-1

x-1=0

x=1

p(1)=2(1)³-5(1)²+k(1)-1+2

p(1)=2-5+k-1+2

Now according to the question p(1)=0

Therefore,

-2+k=0

k=2

Step-by-step explanation:

Answer 2

Answer:

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