x2+6x+9=0


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How do you solve x2 + 6x + 9?

x2 +6x + 9 = 16 +9. So the first equation is equivalent to x + 3 = ? 5 or x +3 = 5. So x = ? 8 or x = 2. The solution set to the first equation is: { ? 8,2}. I'll post another (more challenging) example too. What is Completing the Square? How do you solve an equation by completing the square?

What is 6x2 - x - 2 = 0?

Determine Whether the Given Values of X is the Solution of the Given Quadratic Equation Below: 6x2 - X - 2 = 0; X = 2 3 , ? 1 . - Mathematics 6x 2 - x - 2 = 0; x = 2 3, - 1.

What is the x coordinate of x2-6x+9?

In our case the x coordinate is 3.0000 3.2 Solving x2-6x+9 = 0 by Completing The Square . Things which are equal to the same thing are also equal to one another. Since The Square Root Principle says that When two things are equal, their square roots are equal. This quadratic equation has one solution only.

How do you factor x 3 x - 3?

Factor using the perfect square rule. Tap for more steps... Set the x?3 x - 3 equal to 0 0. Add 3 3 to both sides of the equation.

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