Question

The Roots of Quadratic Equation,2x^2-5x-4=0, are

Answer 1

Step-by-step explanation:

for a quadratic equation ax^2 + bx + c =0

the roots are x = (-b+(b^2-4ac)^(1/2))/(2a) and x=(-b-(b^2-4ac)^(1/2))/(2a)

plugging in the values a=2,b=-5 c=-4 will give the roots for the above question