Question Simplify the expression m−81 Evaluate m−405Solution m−81 Show Solution Factor the expression 81(8m−1) Evaluate m−405Cancel out the common factor 5 m−81Solution 81(8m−1) Show Solution Find the roots m=81Alternative Form m=0.125 Evaluate m−405To find the roots of the expression,set the expression equal to 0 m−405=0Cancel out the common factor 5 m−81=0Move the constant to the right-hand side and change its sign m=0+81Solution m=81Alternative Form m=0.125 Show Solution