Question Factor the expression 21(51−2a) Evaluate 251−aSolution 21(51−2a) Show Solution Find the roots a=251Alternative Form a=25.5 Evaluate 251−aTo find the roots of the expression,set the expression equal to 0 251−a=0Move the constant to the right-hand side and change its sign −a=0−251Removing 0 doesn't change the value,so remove it from the expression −a=−251Solution a=251Alternative Form a=25.5 Show Solution
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