Question Factor the expression 2(1−12d) Evaluate 2−24dSolution 2(1−12d) Show Solution Find the roots d=121Alternative Form d=0.083˙ Evaluate 2−24dTo find the roots of the expression,set the expression equal to 0 2−24d=0Move the constant to the right-hand side and change its sign −24d=0−2Removing 0 doesn't change the value,so remove it from the expression −24d=−2Change the signs on both sides of the equation 24d=2Divide both sides 2424d=242Divide the numbers d=242Solution d=121Alternative Form d=0.083˙ Show Solution