Question Factor the expression 3(2−5r) Evaluate 6−15rSolution 3(2−5r) Show Solution Find the roots r=52Alternative Form r=0.4 Evaluate 6−15rTo find the roots of the expression,set the expression equal to 0 6−15r=0Move the constant to the right-hand side and change its sign −15r=0−6Removing 0 doesn't change the value,so remove it from the expression −15r=−6Change the signs on both sides of the equation 15r=6Divide both sides 1515r=156Divide the numbers r=156Solution r=52Alternative Form r=0.4 Show Solution