18. (2x - 5) (x² – 5x + 7)
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Answer:
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Answered by
1
Answer:
2x³- 15x²+ 39x - 35
Step-by-step explanation:
(2x - 5) (x² - 5x + 7)
= 2x(x² - 5x + 7) - 5 (x²- 5x + 7)
= 2x³ - 10x²+ 14x - 5x² + 25x - 35
= 2x³ - 10x²- 5x²+ 14x + 25x - 35
= 2x³- 15x²+ 39x - 35
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