(x+y)(x-y)=5
1 × 5
5 × 1
-1 × -5
-5 × -1
それぞれ解くと
(x,y)=(3,-2),(3,2),(-3,2)(-3,-2)
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(x+y)(x-y)=5
1 × 5
5 × 1
-1 × -5
-5 × -1
それぞれ解くと
(x,y)=(3,-2),(3,2),(-3,2)(-3,-2)
Users viewing this question
are also looking at these questions 😉
ありがとうございます！！