Question Simplify the expression 209−k Evaluate 209−k×1Solution 209−k Show Solution Find the roots k=209 Evaluate 209−k×1To find the roots of the expression,set the expression equal to 0 209−k×1=0Any expression multiplied by 1 remains the same 209−k=0Move the constant to the right-hand side and change its sign −k=0−209Removing 0 doesn't change the value,so remove it from the expression −k=−209Solution k=209 Show Solution
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