Question
Asked Nov 19, 2019
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simplify a rational expression 

3x2-9x / 12x2

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Expert Answer

Step 1

The given expression is as follows:

3x2-9x
12r2
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3x2-9x 12r2

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Step 2

Take 3x common from numerator, it gives

Зx (x-3)
12x2
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Зx (x-3) 12x2

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Step 3

Cancel out common factor...

3к (х -3)
4x 3
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3к (х -3) 4x 3

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