Question

(1).-3x^3=0.081(2).27(x-2)^3+64=0(3).3/5(2x+1)^3=75(4).(3x+0

Answer 1

1.27(x-2)^3=-64

(x-2)^3=-64/27

x-2=-4/3

x=2/3

(1)x^3=-0.027

x=-0.3

(2)27(x-2)^3=-64

(x-2)^3=-64/27

x-2=-4/3

x=2/3

(3)(2x+1)^3=125

2x+1=5

2x=4

x=2

(4)(3x+0.1)^3=-0.008

3x+1=-0.2

3x=-1.2

x=-0.4