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Quadratic Polynomial

Show that x=-...

Question

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

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Solution

Given that the equation

Therefore, is the solution of given equation.

Hence, proved.

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Q. Very-Short-Answer Questions

Show that x = −3 is a solution of

x^{2} + 6 x + 9 = 0

Q. The equation of the circle of radius 3 that lies in the second quadrant and touching the lines x = 0 and y = 0 is

\frac{x^{2} + 6 x + 9}{x + 3} = 7

x

?

x^{2} + 6 x + 9 = 0

x = ?

Q. The solution set of the inequality

{log}_{1 / 3} (x^{2} - 6 x + 18) - 2 {log}_{1 / 3} (x - 4) < 0

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