Question Simplify the expression 20x−10 Evaluate 4x×5−10Solution 20x−10 Show Solution Factor the expression 10(2x−1) Evaluate 4x×5−10Multiply the terms 20x−10Solution 10(2x−1) Show Solution Find the roots x=21Alternative Form x=0.5 Evaluate 4x×5−10To find the roots of the expression,set the expression equal to 0 4x×5−10=0Multiply the terms 20x−10=0Move the constant to the right-hand side and change its sign 20x=0+10Removing 0 doesn't change the value,so remove it from the expression 20x=10Divide both sides 2020x=2010Divide the numbers x=2010Solution x=21Alternative Form x=0.5 Show Solution