Question Factor the expression 2(21x−2) Evaluate 42x−4Solution 2(21x−2) Show Solution Find the roots x=212Alternative Form x=0.0˙95238˙ Evaluate 42x−4To find the roots of the expression,set the expression equal to 0 42x−4=0Move the constant to the right-hand side and change its sign 42x=0+4Removing 0 doesn't change the value,so remove it from the expression 42x=4Divide both sides 4242x=424Divide the numbers x=424Solution x=212Alternative Form x=0.0˙95238˙ Show Solution