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zlopas [31]
3 years ago
11

The sum od the squares of two consecutive even integers is 164. Find the integers.

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
7 0
Let x be the smaller integer, then x+2 is the larger integer.
We're given 
x^2+(x+2)^2=164
Expand and simplify
2x^2+4x+4=164
x^2+2x-80=0
(x-8)(x+10)=0
=> x=-10 or x=8.

Therefore the integers are{8,10} or {-10,-8}.
Note: question asks for integers, so negative integers count.
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