exam Maths Puzzle Numerical Ability

Hi I need some help with this math problem: Solve by completing the square. Write the solutions in simplest radical form. The equation is x to the 2nd power - 14x = -47 Thanks for any help you can provide.

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exam Other Question
How many even positive integers are less than 42? find three consecutive numbers such that twice the square of the first number is 38 more than the product of the other two numbers.