<em>Answer is x + 12</em>
<em />
<h2>Explanation:</h2>Hello! Recall that you have to write clear questions in order to get exact answers. So I'll help you assuming that the two expressions are the following:
First expression:
Second expression:
So the operation we need to perform is:
Recall some rules:
Hence:
Simplify: brainly.com/question/1291365
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