Question Factor the expression 4(5r−118) Evaluate 20r−472Solution 4(5r−118) Show Solution Find the roots r=5118Alternative Form r=23.6 Evaluate 20r−472To find the roots of the expression,set the expression equal to 0 20r−472=0Move the constant to the right-hand side and change its sign 20r=0+472Removing 0 doesn't change the value,so remove it from the expression 20r=472Divide both sides 2020r=20472Divide the numbers r=20472Solution r=5118Alternative Form r=23.6 Show Solution
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