Question Simplify the expression 17−m Evaluate 21−4−mSolution 17−m Show Solution Find the roots m=17 Evaluate 21−4−mTo find the roots of the expression,set the expression equal to 0 21−4−m=0Subtract the numbers 17−m=0Move the constant to the right-hand side and change its sign −m=0−17Removing 0 doesn't change the value,so remove it from the expression −m=−17Solution m=17 Show Solution
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