Question 1×x−21 Simplify the expression x−21 Evaluate 1×x−21Solution x−21 Show Solution Factor the expression 21(2x−1) Evaluate 1×x−21Any expression multiplied by 1 remains the same x−21Solution 21(2x−1) Show Solution Find the roots x=21Alternative Form x=0.5 Evaluate 1×x−21To find the roots of the expression,set the expression equal to 0 1×x−21=0Any expression multiplied by 1 remains the same x−21=0Move the constant to the right-hand side and change its sign x=0+21Solution x=21Alternative Form x=0.5 Show Solution