Question Simplify the expression −4−k Evaluate 2−6−kSolution −4−k Show Solution Find the roots k=−4 Evaluate 2−6−kTo find the roots of the expression,set the expression equal to 0 2−6−k=0Subtract the numbers −4−k=0Move the constant to the right-hand side and change its sign −k=0+4Removing 0 doesn't change the value,so remove it from the expression −k=4Solution k=−4 Show Solution
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