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UNIT
7
7.5: Factor 'Difference of Squares' Expressions
11.0:Students apply basic factoring techniques to second-and simple third-degree polynomials. These techniques include finding a common factor for all terms in a polynomial, recognizing the difference of two squares, and recognizing perfect squares of binomials.
12.0: Students simplify fractions with polynomials in the numerator and denominator by factoring both and reducing them to the lowest terms.
13.0:Students add,subtract, multiply, and divide retional expressions and functions. Students solve both computationally and conceptually challenging problems by using these techniques.

## Today's Objective

Students will be able to recognize and factor the difference of squares.

# Key Vocabulary

Polynomial Term CoefficientGCF Factor (ν.)
FOILSquare of a Binomial Difference of Squares Lowest Terms
Reciprocal Numerator Denominator