ravienvillamil ravienvillamil 15-02-2021 Mathematics contestada 1. (x + 2) (x +5)2. (2y + 3) (3y + 2)3. (3m-n) (9m² + 3mn + n?)4. (1 + 3m)5. (7-5)(7m+5)6. (2m-n)?7. (a- 5b2)(a + 5b2)8. (2m + 6)?9. (x2 + 5y)10.(n + 4) (2n-7)
