Question Factor the expression 9(2x−1) Evaluate 18x−9Solution 9(2x−1) Show Solution Find the roots x=21Alternative Form x=0.5 Evaluate 18x−9To find the roots of the expression,set the expression equal to 0 18x−9=0Move the constant to the right-hand side and change its sign 18x=0+9Removing 0 doesn't change the value,so remove it from the expression 18x=9Divide both sides 1818x=189Divide the numbers x=189Solution x=21Alternative Form x=0.5 Show Solution
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