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OpenStudy (anonymous):
Explain, in complete sentences, how you would completely factor 20x2 – 28x – 48 by using the grouping method. How would you check your factors for accuracy?
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OpenStudy (anonymous):
Group the first two terms and then the second two terms. Factor out the common factors within each group. Then factor out the common term that are common in both groups. To check the factor just multiply the factors together, you should get the original expression.
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