Решение
(7*(-2)-5*(-3)-1)^32 = (- 14 + 15 - 1)^32 = 0^32 = 0
У = -9
5х-4= -9
5х = -9+4
5х=-5
х = -1
у=0
5х-4=0
5х=4
х=4/5
у=1
5х-4=1
5х=1+4
5х=5
х=1
= 48c^2-54cd+8cd-9d^2-110cd+40d^2+22c^2-8cd=70c^2-31d^2-164cd
Y`(x)=(3x²*(3-x²-3x)-x³*(-2x-3))/(3-x²-3x)²=(9x²-3x^4-9x³+2x^4+3x³)/(3-x²-3x)²=
(-x^4-6x³+9x²)/(3-x²-3x)²=x²(9-6x-x²)/(3-x²-3x)²=0
x²(9-6x-x²)=0
x=0
9-6x-x²=0
D=36+36=72 √D=6√2
x1=(6-6√2)/-2=3√2-3
x2=(6+6√2)/-2=-3√2-3