Answer
$$a=1, \quad b=-7, \quad c=4.$$
Work Step by Step
For the equation
$$x^2 - 7x+4= 0$$
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
$$a=1, \quad b=-7, \quad c=4.$$
