Question Simplify the expression 420x−20 Evaluate 35x×12−20Solution 420x−20 Show Solution Factor the expression 20(21x−1) Evaluate 35x×12−20Multiply the terms 420x−20Solution 20(21x−1) Show Solution Find the roots x=211Alternative Form x=0.0˙47619˙ Evaluate 35x×12−20To find the roots of the expression,set the expression equal to 0 35x×12−20=0Multiply the terms 420x−20=0Move the constant to the right-hand side and change its sign 420x=0+20Removing 0 doesn't change the value,so remove it from the expression 420x=20Divide both sides 420420x=42020Divide the numbers x=42020Solution x=211Alternative Form x=0.0˙47619˙ Show Solution