Question Simplify the expression −629−a Evaluate 30−129−530−aSolution −629−a Show Solution Find the roots a=−629 Evaluate 30−129−530−aTo find the roots of the expression,set the expression equal to 0 30−129−530−a=0Subtract the numbers −99−530−a=0Subtract the numbers −629−a=0Move the constant to the right-hand side and change its sign −a=0+629Removing 0 doesn't change the value,so remove it from the expression −a=629Solution a=−629 Show Solution
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