Question

3. If x = 3 is a root of bx² + bx + 6 = 0, find the value of b.​

Answer 1

Answer:

b = -1/2

Step-by-step explanation:

if x=3 then:

3²(b) + 3b + 6=0

9b + 3b = -6

12b = -6

b = -6/12

therefore b = -1/2

Answer 2

Step-by-step explanation:

b(3)^2 +b(3) +6 =0

9b+3b+6=0

12b=-6

b=-1/2