Question

if x= -2 is root of the equation 3x2 + 7x + p=0 , then find the value of P ​

Answer 1

Answer:

3×2+7×(-2)+p=0

6-14+p=0

-8+p=0

p=8

Answer 2

Answer:

The Answer is :-2

Step-by-step explanation:

Step 1:- 3x2+7x+P=0

Step 2:- Put the value of X= -2

Step 3:- 3(-2)^2+7(-2)+P=0

Step 4:- 3×4-14+P=0

Step 5:- 12-14+P=0

Step 6:- -2+P=0

Step 7:- P=2