Question Simplify the expression −30l Evaluate 90l−120lCollect like terms by calculating the sum or difference of their coefficients (90−120)lSolution −30l Show Solution Find the roots l=0 Evaluate 90l−120lTo find the roots of the expression,set the expression equal to 0 90l−120l=0Subtract the terms More Steps Simplify 90l−120lCollect like terms by calculating the sum or difference of their coefficients (90−120)lSubtract the numbers −30l −30l=0Change the signs on both sides of the equation 30l=0Solution l=0 Show Solution
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