Question

what must be added to x²- 2x-4x -12 to make the sum exactly divisible by x -5 ?​

Answer 1

Answer:

3

Step-by-step explanation:

x²- 2x-4x -12=0               x=5 . . . . . . . . . . . ..   {considering]

(5)²-2*5-12=0

25-10-12=0

3