17
Объяснение:
=5а^2+3a+33-5a^2-55a=-52a+33=-52(4/13)+33=-16+33=17
5а^2 + (3-5a)(a+11) = 5а^2 + 3a+ 33 - 5a^2 - 55a = -52a + 33 = -52*(4/13) + 33 = -208/13 + 33 = -16 + 33 = 17
