Question

X²+Kx+12=(x-6) (x-2) for all x, then find the value of k.
Step by step answer

Answer 1

Answer:

Step-by-step explanation:

b² - 4ac

(k)² - 4(1)(12) = 0

k² - 64 = 0

k² = 64

k = √64

k = 8