The quadratic equation is .
(Add 3.5 to each side)
(Apply additive inverse property:
)
The equation compare to quadratic equation, then a = 1.5, b = 1 and c = 3.5.
\The value of discriminant .
(Evaluate power:
)
(Simplify)
Since the discriminant is negative, the equation has no real roots.
The equation has no real roots.