Factor by grouping, if possible.x3 + 8x2 - 7x - 56
A. (x + 8)(x3 - 7x)
B. (x + 8)(x2 - 7)
C. (x - 8)(x2 - 7)
D. (x - 7)(x2 + 8)
Answer: B
Mathematics
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Perform the indicated operation. Give answer in standard form.(9 + 9i)(7 + 2i)
A. 45 - 81i B. 81 + 45i C. 45 + 81i D. 18i2 + 81i + 63
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A. 12x + 8y + 8 B. 12x + 32y + 2 C. 12x + 8y + 2 D. 12x + 32y + 8
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Factor by any method.15x10 + 18x5y4 + 20x5y4 + 24y8
A. (3x5 - 4y4)(5x5 - 6y4) B. (3x5 + 4y4)(5x5 + 6y4) C. (15x5 + 4y4)(x5 + 6y4) D. (3x5 + 4y)(5x5 + 6y8)
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