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Mathematics for IGCSE & O level - Algebraic Manipulation (Section 4 - No. 21)

What is the result of expanding (2x + 3)(x - 1)?
2x² + x - 3
2x² - x - 3
2x² - 5x - 3
2x² + 5x - 3

설명

(2x+3)(x-1) = 2x²-2x+3x-3=2x²+x-3

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