Difference of Squares

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What is the Difference of Squares?

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The Difference of Squares is a mathematical concept that states that the difference between two squares can be factored into the product of a sum and a difference: a^2 - b^2 = (a + b)(a - b).

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What is a perfect square?

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A perfect square is a number that can be expressed as the square of an integer. For example, 1, 4, 9, and 16 are perfect squares.

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What is the formula for factoring the Difference of Squares?

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The formula is: a^2 - b^2 = (a + b)(a - b).

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What are some examples of Difference of Squares?

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What does it mean if an expression cannot be factored using the Difference of Squares?

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It means that the expression does not fit the form a^2 - b^2, and thus cannot be expressed as a product of two binomials.