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प्रश्न
What must be subtracted from 19x4 + 2x3 + 30x – 37 to get 8x4 + 22x3 – 7x – 60 ?
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उत्तर
The required result will be
(19x4 + 2x3 + 30x – 37) − (8x4 + 22x3 – 7x – 60)
= 19x4 + 2x3 + 30x – 37 − 8x4 + 22x3 + 7x + 60
= 11x4 – 20x3 + 37x + 23
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