Question Simplify the expression 91df20 Evaluate 20÷91÷dfRewrite the expression 9120÷dfMultiply by the reciprocal 9120×df1Solution 91df20 Show Solution Find the excluded values d=0,f=0 Evaluate 20÷91÷(df)To find the excluded values,set the denominators equal to 0 df=0Separate the equation into 2 possible cases d=0f=0Solution d=0,f=0 Show Solution
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