exam Maths Puzzle Numerical Ability

Solve the quadratic equation using any appropriate method. 4(x+1)^2=64

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exam Other Question

Factor completely.

252r^2 + 588rf + 343f^2

Thank you for any help you can give me in figuring this problem out.
Can you help me divide and simplify:

18x^2+17+4/8x-12 divided by 9x^2+4x/24x-36