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Show that x = – 3 is a solution of x^2 + 6x + 9 = 0.

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Show that x = – 3 is a solution of x2 + 6x + 9 = 0.

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To be the solution of the equation the value x = – 3 should satisfy the given equation x2 + 6x + 9 = 0

Putting value of x on L.H.S

(– 3)2 + 6 x (– 3) + 9

⇒ 9 – 18 + 9 = 0 = R.H.S

Hence x = – 3 is the solution of given equation.

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