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5-91.

Factor each expression below. Homework Help ✎

  1. Look for a greatest common factor.

  2. This is the difference of squares:

    If you need more help, look up difference of squares in the glossary or find your class work from Lesson 3.1.2.

  3. Always start by looking for a greatest common factor.

    Can you factor the polynomial further?

  4. Use a generic rectangle. Remember that the products of the diagonals must be equal.

    Start by filling in the first and last terms.

    What two numbers multiply to and add to ?

    Find the greatest common factor for each row and column.