Question Factor the expression 5(2r−1) Evaluate 10r−5Solution 5(2r−1) Show Solution Find the roots r=21Alternative Form r=0.5 Evaluate 10r−5To find the roots of the expression,set the expression equal to 0 10r−5=0Move the constant to the right-hand side and change its sign 10r=0+5Removing 0 doesn't change the value,so remove it from the expression 10r=5Divide both sides 1010r=105Divide the numbers r=105Solution r=21Alternative Form r=0.5 Show Solution
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