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# MTH 209 Discussion Question.

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What is factoring by grouping ? When factoring a trinomial by grouping , why is it necessary to write the trinomial in four terms ?

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The expert determines what factoring by grouping is. Why it is necessary to write the trinomial in four terms is determined.

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Question --

What is factoring by grouping ? When factoring a trinomial by grouping , why is it necessary to write the trinomial in four terms ?

Factoring by grouping is the process in which we try to group the terms to find the common factors. ...

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