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5.3 Exercise 144

Avg difficulty 2.5

Multiply the following:

(x+2)(x−2)(y+7)(y−7)(w+5)(w−5)\begin{matrix}\left(x + 2\right) \left(x - 2\right) \\ \left(y + 7\right) \left(y - 7\right) \\ \left(w + 5\right) \left(w - 5\right)\end{matrix}

Explain the pattern that you see in your answers.

OpenStax Intermediate Algebra 2e, 5.3 Multiply Polynomials, exercise 144

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Adapted from Intermediate Algebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Intermediate Algebra 2e. Imported at revision 77a933c.