Q13 of 242 Page 9

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

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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