Question Simplify the expression 3r2−56r Evaluate 3r2−8r×7Solution 3r2−56r Show Solution Factor the expression r(3r−56) Evaluate 3r2−8r×7Multiply the terms 3r2−56rRewrite the expression r×3r−r×56Solution r(3r−56) Show Solution Find the roots r1=0,r2=356Alternative Form r1=0,r2=18.6˙ Evaluate 3r2−8r×7To find the roots of the expression,set the expression equal to 0 3r2−8r×7=0Multiply the terms 3r2−56r=0Factor the expression More Steps Evaluate 3r2−56rRewrite the expression r×3r−r×56Factor out r from the expression r(3r−56) r(3r−56)=0When the product of factors equals 0,at least one factor is 0 r=03r−56=0Solve the equation for r More Steps Evaluate 3r−56=0Move the constant to the right-hand side and change its sign 3r=0+56Removing 0 doesn't change the value,so remove it from the expression 3r=56Divide both sides 33r=356Divide the numbers r=356 r=0r=356Solution r1=0,r2=356Alternative Form r1=0,r2=18.6˙ Show Solution