Question

4x2 - 2x - 9 = 0

Answer 1

Used the quadratic equation to solve the question, and show all work.

Answer 2

in ax^2 + bx+ c=0

x=(-b + sqr( b^2 - 4ac))/(2a)
x=(-b - sqr( b^2 - 4ac))/(2a)

Answer 3

then it depends on how much they want it reduced...