book Maths Puzzle Numerical Ability

I tried to enter this question before...but not properly

(x^2+10-11) (x+1)
______ * ________
(x^2-1) (x=11)

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book Other Question

the sum of the squares of two consecutive even numbers is 244.find the integers. Please help me with these problem..
solve by any method.
1)x^2+25=10x
2)10h-2=11h^2