Question

( 7x+1 ) * ( 2-x ) = 8

Answer 1

$(7x+1)(2-x)=8\14x-7x^2+2-x=8\7x^2-13x+6=0\x_{1,2}=frac{13^+_-sqrt{1}}{14}\x_1=1 ;x_2=frac{6}{7}$