find roots: 16x-10/x=27
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16x²-10=27x
if x=2 ,then 16(2)²-10=27(2)
64-10=54
54=54
it means ,(x-2) is a factor of 16x²-27x-10=0
16x²-32x+5x-10=0
16x(x-2)+5(x-2)=0
(16x+5)(x-2)=0
16x+5=0,x-2=0
x=-16/5,x=2
if x=2 ,then 16(2)²-10=27(2)
64-10=54
54=54
it means ,(x-2) is a factor of 16x²-27x-10=0
16x²-32x+5x-10=0
16x(x-2)+5(x-2)=0
(16x+5)(x-2)=0
16x+5=0,x-2=0
x=-16/5,x=2
kmiller:
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