Question Simplify the expression 90−m Evaluate ∣90∣−mSolution 90−m Show Solution Find the roots m=90 Evaluate ∣90∣−mTo find the roots of the expression,set the expression equal to 0 ∣90∣−m=0When the expression in absolute value bars is not negative, remove the bars 90−m=0Move the constant to the right-hand side and change its sign −m=0−90Removing 0 doesn't change the value,so remove it from the expression −m=−90Solution m=90 Show Solution
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