1.B)
5x²-2x-3=0
5x²+3x-5x-3=0
x•(5x+3)-(5x+3)=0
(5x+3)•(x-1)=0
5x+3=0
x-1=0
c=-3/5
x=1
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Answers & Comments
1.B)
5x²-2x-3=0
5x²+3x-5x-3=0
x•(5x+3)-(5x+3)=0
(5x+3)•(x-1)=0
5x+3=0
x-1=0
c=-3/5
x=1