How do I determine whether each binomial is a difference of two squares

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asked Jan 3, 2017 154k views

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Simon Prickett · Answer 1 · 2017-01-07T08:21:20+0000

A binomial is a difference of two squares if it can be written as a^2 - b^2. Note the subtraction sign. For example 9x^4 - 16 = (3x^2)^2 - 4^2 so it is a difference of two squares.

How do I determine whether each binomial is a difference of two squares

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