State any restrictions on the variable in the complex fraction. \frac{\frac{x-4}{x+4}}{\frac{x^{2}-1}{x}}

Annette Arroyo

Annette Arroyo

Answered question

2021-05-09

State any restrictions on the variable in the complex fraction. x4x+4x21x

Answer & Explanation

Brighton

Brighton

Skilled2021-05-10Added 103 answers

x4x=5 By cross multiplication.
Multiply both sides by x
x4x×x=5×x
5x=x-4 Multiplying the numbers
4x=-4 Subtracting x from both sides
4x4=44 Dividing both sides by 4
x=-1 Simplifying fractions

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