The default task of the algebra interaction type is **Simplify**. With this task, the goal is to simplify the expression as much as possible, using the mathematical rules that are available for the student.

## Examples

**Try it yourself:**

- 2x+4x+4

AlgebraKiT will combine the like terms. - x(x+1)

AlgebraKiT will do nothing. Expanding the brackets is not necessarily â€˜simplerâ€™. - x(x+1)-x^2

Now AlgebraKiT will expand the brackets, because it can then cancel terms and reach a simple result. - \frac{2x+4}{x^2+2x}

Using the mathematical knowledge that AlgebraKiT has, it decides to factor both numerator and denominator and cancel factors to reach a simpler result.

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Let’s create an exercise with the following algebra interaction:

The interactive result is shown below:

**Interactive student exercise:**

**Worked solution:**

AlgebraKiT uses the audience to know what mathematical rules can be used.

Note: To make automatic simplification possible, AlgebraKiT must assess if one expression is more ‘simple’ than another. See the examples above for more details.

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