1.
1) x-9 / x+8
2) x-14 / x-2
2. 3x^2+6x+x+2. x^2+3x-2x-6
———————— + ———————-
x + 2. x + 3
3x(x+2)+x+2 + x(x+3) - 2(x+3)
x+2 x+3
( x+2) (3x+1) + (x+3) (x-2)
3x+1+x-2 = 4x-1
Ответ: 4x-1
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Answers & Comments
1.
1) x-9 / x+8
2) x-14 / x-2
2. 3x^2+6x+x+2. x^2+3x-2x-6
———————— + ———————-
x + 2. x + 3
3x(x+2)+x+2 + x(x+3) - 2(x+3)
x+2 x+3
( x+2) (3x+1) + (x+3) (x-2)
x+2 x+3
3x+1+x-2 = 4x-1
Ответ: 4x-1