Question Simplify the expression 140−15r Evaluate 205−65−r×15Use the commutative property to reorder the terms 205−65−15rSolution 140−15r Show Solution Factor the expression 5(28−3r) Evaluate 205−65−r×15Use the commutative property to reorder the terms 205−65−15rSubtract the numbers 140−15rSolution 5(28−3r) Show Solution Find the roots r=328Alternative Form r=9.3˙ Evaluate 205−65−r×15To find the roots of the expression,set the expression equal to 0 205−65−r×15=0Use the commutative property to reorder the terms 205−65−15r=0Subtract the numbers 140−15r=0Move the constant to the right-hand side and change its sign −15r=0−140Removing 0 doesn't change the value,so remove it from the expression −15r=−140Change the signs on both sides of the equation 15r=140Divide both sides 1515r=15140Divide the numbers r=15140Solution r=328Alternative Form r=9.3˙ Show Solution