Make the given changes in the indicated examples of this section and then factor. In Example 2,
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Make the given changes in the indicated examples of this section and then factor.
In Example 2, change −ax2 to +a4x2.
Data from Example 2
In factoring ax5 − ax2, we first note that each term has a common factor of ax 2. This is factored out to get ax2(x3 − 1). However, the expression is not completely factored because 1 = 13, which means that x3 − 1 is the difference of cubes [see Example 1(b)]. We complete the factoring by the use of Eq. (6.9). Therefore,
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Related Book For
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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