Answer
$$a=-3, \quad b=4, \quad c=7.$$
Work Step by Step
For the equation
$$-3x^2 +4x+7= 0$$
We know that a is the coefficient of the $x^2$ term, b is the coefficient of the x term, c is the constant term. We have
$$a=-3, \quad b=4, \quad c=7.$$
