(x² + 3x - 2) - (4×-2ײ-2)
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Step-by-step explanation:
(x² + 3x - 2) - (4x - 2x² - 2)
= x² + 3x - 2 - 4x + 2x² + 2
= (x² + 2x²) + (3x - 4x) + (-2 + 2)
= 3x² - x + 0
= 3x² - x
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