mela23
mela23
24-04-2017
Mathematics
contestada
What is the factored form of fx= 2x2+ 6x-8
Respuesta :
irspow
irspow
24-04-2017
2x^2+6x-8 the factors j and k will be the two values that satisfy two conditions...
jk=ac=-16 and j+k=b=6 so j and k must be 8 and -2
2x^2-2x+8x-8
2x(x-1)+8(x-1)
(2x+8)(x-1)
2(x+4)(x-1)
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