Question Factor the expression 3(7x−2) Evaluate 21x−6Solution 3(7x−2) Show Solution Find the roots x=72Alternative Form x=0.2˙85714˙ Evaluate 21x−6To find the roots of the expression,set the expression equal to 0 21x−6=0Move the constant to the right-hand side and change its sign 21x=0+6Removing 0 doesn't change the value,so remove it from the expression 21x=6Divide both sides 2121x=216Divide the numbers x=216Solution x=72Alternative Form x=0.2˙85714˙ Show Solution