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Question

2x2+5x+3=?(a) (x+3)(2x+1)(b) (x+1)(2x+3)(c) (2x+5)(x3)(d) none of these


Solution

2x2+5x+3=2x2+2x+3x+3          2×3=6 6=2×35=2+3=2x(x+1)+3(x+1)=(x+1)(2x+3)


Mathematics
Secondary School Mathematics VIII
Standard VIII

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