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Given a solution eg x = 3 or -5 form factors:

(x - 3)(x + 5)

Multiply out : x2 + 2x - 15 = 0

If one of the solutions is not an integer eg x = 4.5, which is 9 over 2,

then one of the factors will be 2x - 9.

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∙ 14y ago

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Related Questions

How do you know if a quadratic equation will have one two or no solutions How do you find a quadratic equation if you are only given the solution Is it possible to have different quadratic equation?

Draw the graph of the equation. the solution is/are the points where the line cuts the x(horisontal) axis .


What do you find when you determine the discriminant?

Whether or not that there is a solution to a quadratic equation,


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How do you find the length and width of a rectangle when given the area and perimeter?

By forming a quadratic equation from the information given and then the length and width can be found by solving the equation.


What is the solution to 4 equals 2b plus b squared?

To find the solution to this equation, you need to rearrange the terms and solve for the variable. 4 = 2b + b^2 can be rewritten as b^2 + 2b - 4 = 0. You can then solve this quadratic equation by factoring, completing the square, or using the quadratic formula.


How do you find the solution of a quadratic equation graphically?

You write the equation in such a way that you have zero on the right side. Then you graph the expression on the left side of the equal sign, and check where it touches the x-axis. Note that this method works for most common equations.


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