b) 7m^2 n^2 c) 7m d) mn 9. A man walks (12x^2 + 11x + 2) km for (3x + 2) hour
Explanation:
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b) 7m^2 n^2 c) 7m d) mn 9. A man walks (12x^2 + 11x + 2) km for (3x + 2) hour
Explanation: