X + 8x + 96x = 22, 9x + 96x = 22, 105x = 22, x = 105 / 22, x = 4,773.
(2х+7)^2-(5+3x)^2=0
4х^2+28x+49-25-30x-9x^2=0
-5x^2-2x+3=0
дискременант
4-4*(-5)*3=64=8^2
x=2+-8/-10
x1=-1 x2=0.6
Ответ: -1 ; 0.6
3(х-3)+2х-1/(х-2)=4х+1|*(х-2) не=0 х не=2
3х-3+2х-1=(4х+1)(х-2)
5х-4=4х²-8х+х-2
4х²-7х-2-5х+4=0
4х²-12х+2=0
D=(-12)²-4*4*2=144-32=112=√112=10,58
x1=(-(-12)+10,58)/2*4=22,58/8
x1=2,823
x2=(-(-12)-10,58)/8=1,42/8
x2=0,1775