Question

find the size of the class (a-b) - (a+b) ​

Answer 1

Answer:

$(a - b) - (a + b) \\ = a - b - a - b \\ = a - a - b - b \\ = - 2b$

Step-by-step explanation:

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Answer 2

$✅❤️Answer❤️$

$\begin{gathered}(a - b) - (a + b) \\ = a - b - a - b \\ = a - a - b - b \\ = - 2b\end{gathered} </p><p>(a−b)−(a+b)</p><p>=a−b−a−b</p><p>=a−a−b−b</p><p>=−2b$