Question

What must be added to the x^2-14x+30 so that x-9 is a factor

Answer 1

Step-by-step explanation:

therefore 15 should be added

Answer 2

Step-by-step explanation:

step 1: x=9 put in the equation.

step 2: 81- 126+30.

step3: 111-126.

step4-: -15.so 15 should be added.