Question Factor the expression 15(5−2b) Evaluate 75−30bSolution 15(5−2b) Show Solution Find the roots b=25Alternative Form b=2.5 Evaluate 75−30bTo find the roots of the expression,set the expression equal to 0 75−30b=0Move the constant to the right-hand side and change its sign −30b=0−75Removing 0 doesn't change the value,so remove it from the expression −30b=−75Change the signs on both sides of the equation 30b=75Divide both sides 3030b=3075Divide the numbers b=3075Solution b=25Alternative Form b=2.5 Show Solution