22-03-2017
Mathematics

contestada

what is 6x^2-x-2 when factoring

Respuesta :

22-03-2017

6x^2-x-2 this is of the form ax^2+bx+c

jk=ac=-12 and j+k=b=-1 so j and k must be -4 and 3 so

6x^2+3x-4x-2

3x(2x+1)-2(2x+1)

(3x-2)(2x+1)

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