x3+3x2-5x+4 from 3x3-x2+2x-4
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7
Answer:
3x³ - x² + 2x -4 -(x³ + 3x² - 5x +4)
3x³ - x² + 2x -4 - x³ - 3x² + 5x - 4
3x³ - x³ - x² - 3x² +2x + 5x -4 -4
2x³ - 4x² + 7x - 8
Answered by
4
Answer:⤵
➡3x³ - x² + 2x -4 -(x³ + 3x² - 5x +4)
➡3x³ - x² + 2x -4 - x³ - 3x² + 5x - 4
➡3x³ - x³ - x² - 3x² +2x + 5x -4 -4
➡2x³ - 4x² + 7x - 8
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