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Home > PC > Chapter 9 > Lesson 9.1.1 > Problem 9-14

9-14.
  1. Factor. Homework Help ✎

    1. 25 − 49x2

    2. x4y2 + xy5

    3. (x − 1)7/2 − (x − 1)3/2

This is the difference of two perfect squares.

Factor out the greatest common factor. Then factor again since you have a binomial with two perfect cubes.