The sum of two numbers is 77. The greater number is 5 more than the smaller number. Which equation can be used to solve for the smaller number?

x (x - 5) = 77

x (x + 5) = 77

x - (x + 5) = 77

x + (x + 5) = 77

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Evaluate (-25) (38) / (-34).

Factorize the following expression, 2p³-50

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