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OpenStudy (anonymous):
What is the factored form of the following expression? w^2 + 18w + 77 A. (w – 7)(w + 11) B. (w – 7)(w – 11) C. (w + 7)(w + 11) D. (w + 1)(w + 77) A, B, C, or D? Please explain (:
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OpenStudy (mazehaq):
C. because 11 * 7 = 77 & 11 + 7 = 18
OpenStudy (mazehaq):
FOIL (w+7)(w+11), you will get w^2 + 18w + 77
OpenStudy (anonymous):
Thanks a bunch (:
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