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प्रश्न
Evaluate: (3x - 1)(4x3 - 2x2 + 6x - 3)
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उत्तर
(3x - 1)(4x3 - 2x2 + 6x - 3)
= 3x (4x3 - 2x2 + 6x - 3) - 1 (4x3 - 2x2 + 6x - 3)
= 12x4 - 6x3 + 18x2 - 9x - 4x3 + 2x2 - 6x + 3
= 12x4 - 6x3 - 4x3 + 18x2 + 2x2 - 9x - 6x + 3
= 12x4 - 10x3 + 20x2 - 15x + 3
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