Question Simplify the expression 9a−77 Evaluate 9a−21−50−6Solution 9a−77 Show Solution Find the roots a=977Alternative Form a=8.5˙ Evaluate 9a−21−50−6To find the roots of the expression,set the expression equal to 0 9a−21−50−6=0Subtract the numbers 9a−71−6=0Subtract the numbers 9a−77=0Move the constant to the right-hand side and change its sign 9a=0+77Removing 0 doesn't change the value,so remove it from the expression 9a=77Divide both sides 99a=977Solution a=977Alternative Form a=8.5˙ Show Solution
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