Factor by grouping.x3 - 5x2 + 4x - 20
A. (x - 5)(x2 + 5)
B. (x - 5)(x2 + 4)
C. (x - 20)(x2 - 5x + 4)
D. (x + 5)(x2 + 4)
Answer: B
Mathematics
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A. 
B. 
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A. P = 32 cm B. P = 320 cm C. P = 40 cm D. not enough information given
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A. 
B. 
C. 1
D. 
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A. Negative B. Positive C. Undefined D. Zero
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