Question

2а²+3в-5в+7ав-2а-а+4в-5ав-а²-2ав​

Answer 1

Ответ:

Объяснение:$2a^2+3b-5b+7ab-2a-a+4b-5ab-a^2-2ab=a^2+2b$

Answer 2

To simplify the expression, let's combine like terms:

2а² + 3в - 5в + 7ав - 2а - а + 4в - 5ав - а² - 2ав

Now, let's group the terms with the same variables together:

(2а² - а²) + (7ав - 5ав - 2ав) + (-2а - а) + (3в - 5в + 4в)

Next, let's simplify each group:

a² has a coefficient of 2 and a negative coefficient of 1, so the result is:

(2 - 1)а² = а²

7ав - 5ав - 2ав can be combined:

(7 - 5 - 2)ав = 0ав (The 'a' variable cancels out)

-2а - а can be combined:

(-2 - 1)а = -3а

3в - 5в + 4в can be combined:

(3 - 5 + 4)в = 2в

Now the expression becomes:

а² + 0ав - 3а + 2в

Since 0 times any variable is still 0, we can remove the term with 0ав:

а² - 3а + 2в

So the simplified expression is:

а² - 3а + 2в