richeljenie richeljenie 02-03-2021 Mathematics contestada 1. (a+2)²2. (a-5)²3. 3(a+b)4. (a+2)(a-2)5. (ab)⁴6.- 3a(2a + 2b)7. (2a-3)(a +2)8. (8a+10b)(8a-10b)9. (2a-3)³10.-9a(3a+4b)
