Question

2) (a + 6)(За – 4) + 2(12 – а – ба) +1 = (а + 1 Өрнектерді ықшамдаңдар:1) (2а + 5)2 – 3(а — 7) (7 - а) + 9а — 9;2) - (2а — 3)2 – 5(3а – 7 4 + а) – За – 2;3) – (3 – 2а)2 + 2(а — 8)(4 — а) – бач - 54) 3(5 – 2а)2 – 4(3а – 5)(7 – а) + 15а - б.Тепе-теңдікті дәлелдеңдер:1) (с+ 6) (3а – 4) + (а - с)(1 +c+a) - Заc + 22) (а - с)? – (а? - с?) + 2ас – 2 = 2(с - 1).Illull​

Answer 1

Ответ:

2) 3a² - 4a+ 18a - 24+ 24 - 2a - 2ab + 1 =a + 1

3a² + 12a - 2ab= a

3a² + 11a - 2ab=0

Объяснение:

a дальше хз

Answer 2

It seems like you have provided a set of mathematical expressions in Kazakh language. To assist you, I'll do my best to translate and solve each expression step-by-step. However, I want to make sure that the expressions are clear, as there might be some ambiguity in the symbols and operations used. Please confirm the expressions, and I'll proceed with the translations and solutions.