Question Factor the expression 3(5d−13) Evaluate 15d−39Solution 3(5d−13) Show Solution Find the roots d=513Alternative Form d=2.6 Evaluate 15d−39To find the roots of the expression,set the expression equal to 0 15d−39=0Move the constant to the right-hand side and change its sign 15d=0+39Removing 0 doesn't change the value,so remove it from the expression 15d=39Divide both sides 1515d=1539Divide the numbers d=1539Solution d=513Alternative Form d=2.6 Show Solution