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Factorize: ​ 2x^2+3√5 x+531.9(2a-b)^2-4(2a-b)-13 ​

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Factorize:

2x2+3 \(\sqrt{5}\)x+531.9(2a-b)2-4(2a-b)-13

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Best answer

Given, 

2x2+3√5x+5 = 2x2 + 2√5x+ √5x+5 

= 2x (x + √5) +√5 (x+√5) 

= (2x+√5) (x+√5)

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