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Show that x = – 2 is a solution of 3x^2 + 13x + 14 = 0.

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Show that x = – 2 is a solution of 3x2 + 13x + 14 = 0.

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To be solution of the equation x = – 2 should satisfy the given equation

L.H.S 3x (– 2)2 + 13 x – 2 + 14

⇒ 12 – 26 + 14 = 0 = R.H.S

Hence x = – 2 is the solution of the equation.

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