5mc7hfhbrp 5mc7hfhbrp 26-03-2022 Mathematics contestada Choose the expression that represents a quadratic expression. O 6x4 - 5x3 + 3x2 -7x - 8 O 5x3 + 3x2 -7x - 8 © 2x2 + 3x - 1 © 3x - 1