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Mathematics

Grade-11

Easy

Question

Use the zero-product property to solve
$left parenthesis x plus 6 right parenthesis left parenthesis x minus 2 right parenthesis equals negative 16$

2
$- \sqrt{2}$
$\sqrt{2}$
-2

The correct answer is: -2

$left parenthesis x plus 6 right parenthesis left parenthesis x minus 2 right parenthesis equals negative 16 x squared plus 4 x minus 12 equals negative 16 x squared plus 4 x plus 4 equals 0 left parenthesis x plus 2 right parenthesis left parenthesis x plus 2 right parenthesis equals 0 x plus 2 equals 0 x plus 2 minus 2 equals 0 minus 2 x equals negative 2$
The solution is -2. The solution set is {-2}.

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