Question

(а-б) (а+б) -а(а+2)

Answer 1

Ответ:

$-b^{2} - 2a$

Объяснение:

Answer 2

Mathematical Expression

The given mathematical expression is: (a- b) + (a + b) - a(a + 2).

Solution

To solve this expression, we can start by simplifying each term step by step.

1. (a - b): This is the first term in the expression. 2. (a + b): This is the second term in the expression. 3. - a(a + 2): This is the third term in the expression.

Let's simplify each term one by one.

1. (a - b): -