Fill in the blank with a number to make the expression a perfect square.
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Answer:
<h2>10</h2>Step-by-step explanation:
<h3>-2n - 6 = ?</h3><h3 /><h3>let n be -8</h3><h3 /><h3>-2 (-8) - 6 = ?</h3><h3 /><h3>= 10</h3>