Question Factor the expression 5(1−4r) Evaluate 5−20rSolution 5(1−4r) Show Solution Find the roots r=41Alternative Form r=0.25 Evaluate 5−20rTo find the roots of the expression,set the expression equal to 0 5−20r=0Move the constant to the right-hand side and change its sign −20r=0−5Removing 0 doesn't change the value,so remove it from the expression −20r=−5Change the signs on both sides of the equation 20r=5Divide both sides 2020r=205Divide the numbers r=205Solution r=41Alternative Form r=0.25 Show Solution
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