Question Factor the expression 2(2r−5) Evaluate 4r−10Solution 2(2r−5) Show Solution Find the roots r=25Alternative Form r=2.5 Evaluate 4r−10To find the roots of the expression,set the expression equal to 0 4r−10=0Move the constant to the right-hand side and change its sign 4r=0+10Removing 0 doesn't change the value,so remove it from the expression 4r=10Divide both sides 44r=410Divide the numbers r=410Solution r=25Alternative Form r=2.5 Show Solution
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