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Home > CCG > Chapter 3 > Lesson 3.2.5 > Problem 3-101

3-101.

Multiply the expressions in parts (a) and (b). Solve the equations in parts (c) and (d).  

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    Use a rectangular area model.

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    It may help to rewrite this expression as .

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    Begin by multiplying. The -terms can be removed by subtracting them from both sides of the equation.

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    Rewrite as .