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23-05-2016
Mathematics

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Factoring with a leading coefficient 2x^2+5x+3

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luke14444 luke14444

23-05-2016

2x^2 +5x +3
2 * 3 = 6
6=
1*6 but 1+6 > 5
2*3 and 2+3 = 5
so
2x^2 +5x +3 =
2x^2 +2x +3x+3 =
2x(x+1)+3(x+1)=
(2x+3)(x+1)

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