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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]
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]