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27-06-2018
Mathematics

contestada

factor 5x
[tex]5x {}^{2} + 10x - 15[/tex]

Respuesta :

29-06-2018

[tex]5x^2+10x-15=5(x^2+2x-3)=5(x^2+3x-x-3)\\\\=5[x(x+3)-1(x+3)]=5(x+3)(x-1)[/tex]

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