1) х^2 - 5х - 24 = ( Х - 8 )( Х + 3 )
D = 25 + 96 = 121 = 11^2
Х1 = ( 5 + 11 ) : 2 = 8
Х2 = ( 5 - 11 ) : 2 = - 3
2) х^2 - 6х - 27 = ( Х - 9 )( x + 3 )
D = 36 + 108 = 144 = 12^2
X1 = ( 6 + 12 ) : 2 = 9
X2 = ( 6 - 12 ) : 2 = - 3
3) ( ( x - 8 )( x + 3 )) / ( ( x - 9 )( x + 3 )) = ( x - 8 ) / ( x - 9 )
G(4) = 3/(2*4) - 1= - 5/8
g(-2) = 3/[2*(-2)] - 1 = -3/4-1 = -1*3/4
<span>3/2х-1 = -7
3/2x = -6
x = -1/4
</span><span>3/2х-1 = 2
3/2x = 3
x=3/2</span>
-8x-11 ≥<span>2(5x-4)-3</span><span> ,-8х-11</span>≥10х-8-3,-8х-10х ≥ -11+11,-18х≥0,х≤0
Ответ:(-∞;0]