Factor by grouping.5x3 - 20x2 + 7x - 28
A. (x - 4)(5x + 7)
B. (x + 4)(5x2 + 7)
C. (x - 4)(5x2 - 7)
D. (x - 4)(5x2 + 7)
Answer: D
Mathematics
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A. 4 × 1 B. 1 C. 1 × 4 D. 4
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Write the phrase as a variable expression. Use x to represent "a number."The total of 145 and a number
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Mathematics