simplevea
simplevea
08-08-2017
Mathematics
contestada
Please factor 20x^2+11x-4=0
Respuesta :
afrost95
afrost95
08-08-2017
(-1 + -4x)(4 + -5x) = 0
Answer Link
lovewithcompass
lovewithcompass
08-08-2017
first factor 20x^2
(4x and 5x)
(4x-1)(5x+4)=0
4x-1=0
x=1/4
5x+4=0
x=-4/5
Answer Link
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