(15-√769)/16, (15+√769)/16
Объяснение:
(8x-1)×(2x-3)-(4x-1)=38
16x²-2x-24x+3-4x+1=38
16x²-30x-34=0
8x²-15x-17=0
D=(+15)²-4*8*(-17)=225+544=769
x=(15-√769)/2*8=(15-√769)/16
x=(15+√769)/16
(15-√769)/16, (15+√769)/16
Объяснение:
(8x-1)×(2x-3)-(4x-1)=38
16x²-2x-24x+3-4x+1=38
16x²-30x-34=0
8x²-15x-17=0
D=(+15)²-4*8*(-17)=225+544=769
x=(15-√769)/2*8=(15-√769)/16
x=(15+√769)/16