3/(2x+7)(x-1) + 2/(4x-1)(x-1)=1/ (x-1)
(3*(4x-1) + 2*(2x+7))/((2x+7)(4x-1)(x-1))=1/ (x-1)
(3*(4x-1) + 2*(2x+7))=(2x+7)(4x-1)
(12x-3 + 4x+14))=8x^2-2x+28x-7
16x +11=8x^2+26x-7
8x^2+26x-7-16x-11=0
8x^2+10x-18=0
4x^2+5x-9=0
D=169
√D=13
x=(-5 +-13)/2
x1=-9
x2=4
ответ x1=-9 x2=4
3/(2x+7)(x-1) + 2/(4x-1)(x-1)=1/ (x-1)
(3*(4x-1) + 2*(2x+7))/((2x+7)(4x-1)(x-1))=1/ (x-1)
(3*(4x-1) + 2*(2x+7))=(2x+7)(4x-1)
(12x-3 + 4x+14))=8x^2-2x+28x-7
16x +11=8x^2+26x-7
8x^2+26x-7-16x-11=0
8x^2+10x-18=0
4x^2+5x-9=0
D=169
√D=13
x=(-5 +-13)/2
x1=-9
x2=4
ответ x1=-9 x2=4