Question Simplify the expression 200x−9 Evaluate 20x×10−9Solution 200x−9 Show Solution Find the roots x=2009Alternative Form x=0.045 Evaluate 20x×10−9To find the roots of the expression,set the expression equal to 0 20x×10−9=0Multiply the terms 200x−9=0Move the constant to the right-hand side and change its sign 200x=0+9Removing 0 doesn't change the value,so remove it from the expression 200x=9Divide both sides 200200x=2009Solution x=2009Alternative Form x=0.045 Show Solution
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