Simplifying Multiplying and Dividing Rational Expressions

Simplify

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What are the restrictions on the​ variable?

• z ≠ -8, 5

• z ≠ 8, -5

• z ≠ -8

• z ≠ 8

Assuming that no denominator equals zero, which is equivalent to

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For non-zero denominators, which expression is equivalent to

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Assuming no denominator is equal to zero, which is equivalent to the following expression?

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Simplify

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Solve

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Simplify

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Which expression is equivalent when x is restricted so that it is defined?

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State any restrictions on the variable.

• x ≠ -4, 2, -9

• x ≠ -9

• x ≠ 4, -2, 9

• x ≠ 4, 2, -9