exam Maths Puzzle Numerical Ability

8y^3 + y^4 + 16 + 32y + 24y^2
----------------------------- over
y+ 2

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exam Other Question

This question is not from a book
The perimeter of a rectangle is 28X + 10. If the width is 2X, what is the length
Hello,
I am unsure if I have the correct answer for this problem
solve by the quadratic formula
6x^2=x+2

my answer {49/12}

Thank you for your help