midnightgirl329 midnightgirl329 16-06-2017 Mathematics contestada Brian is solving the equation 8x^2=15−3x with the quadratic formula. Which values could he use for a, b, and c? a = 8, b = 3, c = −15 a = 8, b = −15 , c = 3 a = 8, b = 15, c = −3 a = 8, b = −3, c = 15