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Quadratic Polynomial

Show that x=-...

Question

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

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Solution

Given that the equation

Therefore, is the solution of given equation.

Hence, proved.

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Similar questions

Q. Very-Short-Answer Questions

Show that x = −2 is a solution of

3 x^{2} + 13 x + 14 = 0

Q. Show that the system of equations

- x + 2 y + 2 = 0 and \frac{1}{2} x - \frac{1}{4} y - 1 = 0

has a unique solution.

3 x^{2} + 13 x + 10 = 0

Q. Show that (x - 2) is a factor of

{3 x}^{2} - x - 10.

Hence, factories

{3 x}^{2} - x - 10.

Q. Solution of inequality

(x - 1)^{2} (x + 1)^{3} (x - 4) < 0

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