from the sum of (5x2 +x+2) and (-2x+3x2+4)subtract (x-x2-1)
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Answer:
SUM -
= 5x² + x + 2 + (-2x + 3x² + 4)
= 5x² + x + 2 - 2x + 3x² + 4
= 8x² - x + 6
DIFFERENCE -
= 8x² - x + 6 - (x - x² - 1)
= 8x² - x + 6 - x + x² + 1
= 9x² - 2x + 7
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Therefore, the answer to this question is (9x² - 2x + 7)
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