Simplify:(3x2−5x−8)+3(2x2−20−1)−5(3x−4).
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Answer:
9x² - 26x + 9
Step-by-step explanation:
(3x²−5x−8)+3(2x²−2x−1)−5(3x−4)
3x² - 5x - 8 + 6x² - 6x - 3 - 15x + 20
9x² - 26x + 9
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