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Show the x= -3 is a solution of `x^2+6x+9=0`
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Solution
The given equation is `x^2+6x+9=0`
Putting `x=-3` in the given equation, we get
`LHS=(-3)^2+6xx(-3)+9=9-18+9=0=RHS`
∴` x=-3` is a solution of the given equation.
Concept: Application of Quadratic Equation
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