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प्रश्न
Evaluate: (3x - 2y)(4x + 3y)
योग
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उत्तर
(3x - 2y)(4x + 3y)
= 3x (4x + 3y) - 2y (4x + 3y)
= 12x2 + 9xy - 8xy - 6y2
= 12x2 + xy - 6y2
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