Respuesta :

Jane80
1.
25(x-5)÷(x-5)(x+5)=
25\x+5
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2.
10+2y÷y+5=
2(5+y)÷y+5=2
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5.
(x-3)(x+2)÷(x-3)(x-2)=
x+2\x-2
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6.
3(x+2) x+3 3
——— ×———— = ———
4(x+3) ( x-2)(x+2) 4x-8
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