Question Simplify the expression 42−l Evaluate 46−4−lSolution 42−l Show Solution Find the roots l=42 Evaluate 46−4−lTo find the roots of the expression,set the expression equal to 0 46−4−l=0Subtract the numbers 42−l=0Move the constant to the right-hand side and change its sign −l=0−42Removing 0 doesn't change the value,so remove it from the expression −l=−42Solution l=42 Show Solution
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