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2x^2 + 5x + 3=?  A. (x + 3) (2x + 1)  B. (x + 1) (2x + 3)  C. (2x + 5) (x - 3)  D. none of these

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2x2 + 5x + 3=? 

A. (x + 3) (2x + 1) 

B. (x + 1) (2x + 3) 

C. (2x + 5) (x - 3) 

D. none of these

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1 Answer

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Best answer

2x2 + 5x + 3 

Factorizing the equation and taking 2x and 3 as common, 

= 2x 2 + 2x + 3x + 3 

= 2x(x +1) + 3(x + 1) 

= (2x + 3)(x + 1).

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