Question Simplify the expression 2r2−r Evaluate 2r2−r×1Solution 2r2−r Show Solution Factor the expression r(2r−1) Evaluate 2r2−r×1Any expression multiplied by 1 remains the same 2r2−rRewrite the expression r×2r−rSolution r(2r−1) Show Solution Find the roots r1=0,r2=21Alternative Form r1=0,r2=0.5 Evaluate 2r2−r×1To find the roots of the expression,set the expression equal to 0 2r2−r×1=0Any expression multiplied by 1 remains the same 2r2−r=0Factor the expression More Steps Evaluate 2r2−rRewrite the expression r×2r−rFactor out r from the expression r(2r−1) r(2r−1)=0When the product of factors equals 0,at least one factor is 0 r=02r−1=0Solve the equation for r More Steps Evaluate 2r−1=0Move the constant to the right-hand side and change its sign 2r=0+1Removing 0 doesn't change the value,so remove it from the expression 2r=1Divide both sides 22r=21Divide the numbers r=21 r=0r=21Solution r1=0,r2=21Alternative Form r1=0,r2=0.5 Show Solution