10 points! MATH LOVERS please explain SHOW WORK graphing quadratic equation?

If so you would combine like terms then move the remaining number to that side like so: 8x^2+5x(-2x^2)= 6x^2 then, 6x^2+5x=4, 0=6x^2+5x+4 :) then solve 2 :) for the second part id hve to work it myself :).