cupcaketia cupcaketia

24-02-2015
Mathematics

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konrad509 konrad509

24-02-2015

[tex]6x^2+7x-20=\\ 6x^2+15x-8x-20=\\ 3x(2x+5)-4(2x+5)=\\ (3x-4)(2x+5) \Rightarrow A [/tex]

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