(2x-1/10) (5x-3) =40
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Step-by-step explanation:
(2x-1) (5x-3)/10=40
=(2x-1) (5x-3)=400
=10x2-11x+3=400
=10x2-11x-397=0
=11-3^163/2 , 11+3^163/2
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