Question

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

Answer 1

Answer:

-3²+6×-3+9

9-18+9=0

0=0

lhs = rhs

Step-by-step explanation:

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Answer 2

Answer:

x^2 + 6x +9 = 0

Putting x= -3

(-3)^2 + 6× (-3)+9= 0

9 -18 +9 = 0

9-9= 0

Now since, L. H. S = R. H. S

so, the solution is x = -3