Question Simplify the expression 105−14r Evaluate 175−70−r×14Use the commutative property to reorder the terms 175−70−14rSolution 105−14r Show Solution Factor the expression 7(15−2r) Evaluate 175−70−r×14Use the commutative property to reorder the terms 175−70−14rSubtract the numbers 105−14rSolution 7(15−2r) Show Solution Find the roots r=215Alternative Form r=7.5 Evaluate 175−70−r×14To find the roots of the expression,set the expression equal to 0 175−70−r×14=0Use the commutative property to reorder the terms 175−70−14r=0Subtract the numbers 105−14r=0Move the constant to the right-hand side and change its sign −14r=0−105Removing 0 doesn't change the value,so remove it from the expression −14r=−105Change the signs on both sides of the equation 14r=105Divide both sides 1414r=14105Divide the numbers r=14105Solution r=215Alternative Form r=7.5 Show Solution