Factor by grouping.x3 + 5x2 + 3x + 15
A. (x + 5x)(x2 + 3)
B. (x + 5)(x2 - 3)
C. (x + 5)(x2 + 3)
D. (x - 5)(x3 + 3)
Answer: C
Mathematics
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A. 
B. 
C. 
D. Does not exist
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A. 
B. 8192
C. 
D. 
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Find equations for the tangent plane and the normal line to the surface with equation xy + yz + xz = 38 at the point P(4, 2, 5).
What will be an ideal response?
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What will be an ideal response?
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