1) 7x-(x-2)^3=13-x^2(x-6)
7х-(x^3-3*2*x^2+3*x*2^2-2^3)=13-x^3+6x^2
7x-x^3+6x^2-12x+8-13+x^3-6x^2=0
-5x-5=0
-5x=5
x=5/-5
x=-1
2) 10+(3- x)^3=x^2*(9-x)-17
10+27 - 27х+9х² - х³ = 9х² - х³ - 17
27х = 54
х = 2
3)-16+64+3*16*x+3*4*x²+x³=x³+12x²
48+48x+12x²+x³-x³-12x²=0
48x+48=0
48x=-48
4)11-x^2*(x+9)=8x- (x+3)^3
11 - х³- 9х² = 8х - х³ - 9х² - 27х - 27
-19х = 38
х = -2
Объяснение:
1) 7x-(x-2)^3=13-x^2(x-6)
7х-(x^3-3*2*x^2+3*x*2^2-2^3)=13-x^3+6x^2
7x-x^3+6x^2-12x+8-13+x^3-6x^2=0
-5x-5=0
-5x=5
x=5/-5
x=-1
2) 10+(3- x)^3=x^2*(9-x)-17
10+27 - 27х+9х² - х³ = 9х² - х³ - 17
27х = 54
х = 2
3)-16+64+3*16*x+3*4*x²+x³=x³+12x²
48+48x+12x²+x³-x³-12x²=0
48x+48=0
48x=-48
x=-1
4)11-x^2*(x+9)=8x- (x+3)^3
11 - х³- 9х² = 8х - х³ - 9х² - 27х - 27
-19х = 38
х = -2
Объяснение: