Question Factor the expression 4(2x−5) Evaluate 8x−20Solution 4(2x−5) Show Solution Find the roots x=25Alternative Form x=2.5 Evaluate 8x−20To find the roots of the expression,set the expression equal to 0 8x−20=0Move the constant to the right-hand side and change its sign 8x=0+20Removing 0 doesn't change the value,so remove it from the expression 8x=20Divide both sides 88x=820Divide the numbers x=820Solution x=25Alternative Form x=2.5 Show Solution