**Rationalize the Denominator** Simplify the following expression by rationalizing the denominator: \[ \frac{40}{5\sqrt{10} - 7\sqrt{5}} \] **Steps:** 1. Multiply the numerator and the denominator by the conjugate of the denominator: \(5\sqrt{10} + 7\sqrt{5}\). 2. Simplify your answer. Type an exact answer in the provided box.

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