Question

-2.4 помножити(2,5 а-1,5в)+6,5(1,8в+5,6а) спростить

Answer 1

-2,4(2,5 а -1,5в)+6,5(1,8в+5,6а)=
-6а+3,6в+11,7в +36,4а=
30,4а+15,3в  ------------- окончательный ответ

Answer 2

I can help you with math problems. Here is the detailed solution to your question:

$$-2.4 \times (2.5a - 1.5b) + 6.5(1.8b + 5.6a)$$ $$= -6a + 3.6b + 11.7b + 36.4a$$ $$= 30.4a + 15.3b$$

This is the simplest form of the expression. I hope this helps.