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प्रश्न
Show that x= -2 is a solution of `3x^2+13x+14=0`
उत्तर
The given equation is` 3x^2+13x+14=0`
Putting `x=-2` in the given equation, we get
`LHS-3xx(-2)^2+13xx(-2)+14=12-26+14=0=RHS`
∴` x=-2` is a solution of the given equation.
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