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प्रश्न
Evaluate: (4m - 2)(m2 + 5m - 6)
उत्तर
(4m - 2)(m2 + 5m - 6)
= 4m (m2 + 5m - 6) - 2(m2 + 5m - 6)
= 4m3 + 20m2 - 24m - 2m2 - 10m + 12
= 4m3 + 20m2 - 2m2 - 24m - 10m + 12
= 4m3 + 18m2 - 34m + 12
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