SOLUTION: Explain, in complete sentences, how to factor 4x2 – 4x – 48. Explain how your factors could be checked for accuracy
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Question 635783: Explain, in complete sentences, how to factor 4x2 – 4x – 48. Explain how your factors could be checked for accuracy
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
factor 4x^2 – 4x – 48.
factor out 4 in each of the three terms
4(x^2 - x - 12)
Find the factors of 12 which differ by 1, -x means the larger factor will be neg
4(x-4)(x+3)
:
You can confirm this by FOILing (x-4)(x+3) and multiplying that by 4
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