Question Simplify the expression −40−ψ Evaluate 80−120−ψSolution −40−ψ Show Solution Find the roots ψ=−40 Evaluate 80−120−ψTo find the roots of the expression,set the expression equal to 0 80−120−ψ=0Subtract the numbers −40−ψ=0Move the constant to the right-hand side and change its sign −ψ=0+40Removing 0 doesn't change the value,so remove it from the expression −ψ=40Solution ψ=−40 Show Solution
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