Factor by grouping.x3 + 2x2 + 4x + 8
A. (x - 2)(x3 + 4)
B. (x + 2)(x2 + 4)
C. (x + 2)(x2 - 4)
D. (x + 2x)(x2 + 4)
Answer: B
Mathematics
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Factor completely.4x9 + 12x7 + 8x5 - 10x4
A. x4(4x5 + 12x3 + 8x - 10) B. 2x(2x8 + 6x6 + 4x4 - 5x3) C. 2(2x9 + 6x7) + x4(8x - 10) D. 2x4(2x5 + 6x3 + 4x - 5)
Mathematics
Divide.5728 ÷ 8
A. 716 B. 718 R7 C. 716 R1 D. 718
Mathematics
Add or subtract. Assume all variables represent positive real numbers.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find the value of n.
= 
A. 289
B. 256
C. 
D. 1
Mathematics