Factor by grouping, if possible.x3 - x2 + 5x - 15
A. Not factorable by grouping
B. (x + 3)(x2 + 5)
C. (x - 5)(x2 + 3)
D. (x - 1)(x2 + 5)
Answer: A
Mathematics
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Sketch the given surface.4x2 + y2 + z2 = 4
What will be an ideal response?
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Add or subtract as indicated. Simplify if necessary.
- 
A. 
B. 
C. 
D. 
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Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.
6
A. x10
B. 
C. x24
D. 
Mathematics
Simplify the expression.Write log6(x - 7) + log6(x + 4) as a single logarithm.
A. log6(x2 + 3x + 28)
B. log6(-11)
C. log6
D. log6(x2 - 3x - 28)
Mathematics