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OpenStudy (anonymous):
Which of the following is a factor of 64x3+ 343? 4x - 7 16x2- 28x + 49 16x2+ 56x + 49 None of the above
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OpenStudy (anonymous):
\[64 x^3+343=(4 x+7) \left(16 x^2-28 x+49\right) \]
OpenStudy (anonymous):
B then
OpenStudy (anonymous):
From the second factor, B or the second offering is the answer. A , 4x-7 has the wrong signed 7.
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