Question 974508
(2x)^2+11x=5
4x^2 +11x -5=0
quadratic formula
x= (1/8) [-11 +/- sqrt (121+80)];;sqrt(201)=14.18
=(1/8) [ -11 +/- 14.18]
=-25.18/8  and 3.18/8
x= -3.1475 and 0.3975

{{{graph(300,300,-10,10,-10,10,4x^2+11x-5)}}}