Question

If x-2 is a factor of 5x 2-kx-18, then find the value of k.​

Answer 1

Answer:

Given,

x-2 is a factor of the given polynomial

p(x)= 5x+2-kx-18

p(2)=5×2+2-2k-18=0

10+2-2k-18=0

-2k-6=0

-2k=6

-k= 6/2

k=-3

There fore k = -3

Answer 2

Answer:

for answer check out the above image

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