Question

if one of the root of polynomial x²+3x+6 Is k find its another root​

Answer 1

Answer:

(-3±15i) /2

Step-by-step explanation:

k= -3±(√(9-(4)(1)(6)))/2

k= -3±(√(9-24))/2

k= (-3±15i)/2

Answer 2

Step-by-step explanation:

2 is a zero of x²+3x+k.

Thus, (2)² +3(2)+k=0

k+10=0

k=−10