Question Simplify the expression 79−l Evaluate 3121−l−3042Solution 79−l Show Solution Find the roots l=79 Evaluate 3121−l−3042To find the roots of the expression,set the expression equal to 0 3121−l−3042=0Subtract the numbers 79−l=0Move the constant to the right-hand side and change its sign −l=0−79Removing 0 doesn't change the value,so remove it from the expression −l=−79Solution l=79 Show Solution
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