- #1

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**Factoring negative quantity from algebraic expression???**

Why is this wrong???

[tex]\displaystyle{28xy^2 - 14x = -14x(-2y^2 + 1)}[/tex]

The book instead does this:

[tex]\displaystyle{28xy^2 - 14x = -7x(-4y^2 + 2)}[/tex]

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- Thread starter Holocene
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- #1

- 237

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Why is this wrong???

[tex]\displaystyle{28xy^2 - 14x = -14x(-2y^2 + 1)}[/tex]

The book instead does this:

[tex]\displaystyle{28xy^2 - 14x = -7x(-4y^2 + 2)}[/tex]

- #2

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Your book is incorrect

- #3

Hurkyl

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Those are both valid factorizations.

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