Kaikai10123 Kaikai10123 22-05-2021 Mathematics contestada pls help me lol (2x2 - 5)(3x2 + 4) a 6x^4 + 7x^2 - 20 b 6^x4 + 23x^2 - 20 c 6x^4 - 7x^2 - 20 d 6x^4 - 23x^2 - 20