Question Simplify the expression 168−3r Evaluate 168−r×3Solution 168−3r Show Solution Factor the expression 3(56−r) Evaluate 168−r×3Use the commutative property to reorder the terms 168−3rSolution 3(56−r) Show Solution Find the roots r=56 Evaluate 168−r×3To find the roots of the expression,set the expression equal to 0 168−r×3=0Use the commutative property to reorder the terms 168−3r=0Move the constant to the right-hand side and change its sign −3r=0−168Removing 0 doesn't change the value,so remove it from the expression −3r=−168Change the signs on both sides of the equation 3r=168Divide both sides 33r=3168Divide the numbers r=3168Solution More Steps Evaluate 3168Reduce the numbers 156Calculate 56 r=56 Show Solution