Question

show that X=-3 is the solution of the equation x2+6x+9=0​

Answer 1

Answer:

let's solve it! solution below! please mark as brainliest!

Step-by-step explanation:

x^2 = -3x-3 = 9

6x= 6 x -3 = -18

9-18+9 = 0

hence proven please mark my answer as brainliest

Answer 2

Step-by-step explanation:

Let p(x) = x^2+6x+9

Substituting x = -3 in p(x), we get

=> (-3)^2+6(-3)+9 = 0

=> 9+(-18)+9 = 0

=> 18-18 = 0

=> 0 = 0

LHS = RHS

Hence x=-3 is a solution of the given equation.