Answer:

5

Step-by-step explanation:

if 3x³ + kx² - 2x - 6  is divisible by (x-1), therefore x = 1, is one of its roots.

substitute x to eq to get k

3(1)³ + k(1)² - 2(1) - 6 = 0

3 + k - 2 - 6 = 0

k = 5

27-(38x²) 7

Step-by-step explanation:

yan po Ang sagot nasa likod ng libro