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प्रश्न
Simplify: 8 [m + 2n-p – 7 (2m -n + 3p)]
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उत्तर
8 [m + 2n - p – 7 (2m - n + 3p)]
= 8 [m + 2n - p- 14m + 7n - 21p]
= 8m+ 16n - 8p - 112m + 56n – 168p
= 8m – 112m + 16n + 56n - 8p – 168p
= -104m + 72n – 176p
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