Sonyeondan Sonyeondan

19-09-2018
Mathematics

contestada

Is this a difference of squares?

[tex]x^{2} -30[/tex]

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tramserran tramserran

19-09-2018

NO!

In order to use the difference of squares, both the first term and last term must be perfect squares.

[tex]\sqrt{x^{2} }[/tex] is a perfect square

[tex]\sqrt{30}[/tex] is NOT a perfect square

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