Question Simplify the expression −300ψ Evaluate 0−300ψSolution −300ψ Show Solution Find the roots ψ=0 Evaluate 0−300ψTo find the roots of the expression,set the expression equal to 0 0−300ψ=0Removing 0 doesn't change the value,so remove it from the expression −300ψ=0Change the signs on both sides of the equation 300ψ=0Solution ψ=0 Show Solution