exam Maths Puzzle Numerical Ability

Hello.
The question is asking me to solve by completing the square. I have solved it so many times, and I keep getting it wrong. The answer I got was 25.
The problem is x^2-6x=16
Please help me, Thank you=)

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exam Other Question

Factor: 4p^2 - 8p - 60 factor the following polynomials(directions)


24x^3y-8xy^2

(36x^2 - 49y^2)


(x^2 + 5x-24)

16x^2 - 24xy + 9y^2

5r^3 - 5