IXL - Factor quadratics: differences of squares (Algebra 2 practice)

Factor completely.

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Learn with an example

question

Factor completely.

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key idea

Factoring a difference of squares:

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solution

Notice that

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is a difference of squares, because it can be written in the form

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where

and

is 2.

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Now use the formula for factoring a difference of squares.

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The factored form of

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Finally, check your work.

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Apply the distributive property (FOIL)

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Apply the distributive property (FOIL)

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Yes,

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Looking for more? Try these:

Lesson: Factoring expressions

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Teacher tools

Work it out

Not feeling ready yet? These can help:

W.9Multiply two binomials: special cases

M.3Factor out a monomial

Lesson: Factoring expressions

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