momoriddle2024 momoriddle2024 17-02-2021 Mathematics contestada Integer exponents 1. 2(9x - 2y) = 2. 2k3 (2k2 + 5k - 4) = 3. 7(6x2 + 9xy + 10y2) = 4. 8x (6x + 6) = 5. 8r2 (4r2 - 5r +7) =