(3x + 1)3 = 1000
(3x + 1)3 = 103
=> 3x + 1 = 10
3x = 9
x = 3
(2x - 1)3 = 27
(2x - 1)3 = 33
=> 2x - 1 = 3
2x = 4
x = 2
(3x+1)3=1000
=> 3x+1=1
3x=1-1
3x=0
=> x = 0
(2x-1)3=27
=> 2x-1 = 3
2x = 3-1
2x = 2
x = 2:2
x = 1
a, (3x + 1)^3 = 10^3
=>3x + 1 = 10
3x = 1
x = 1/3
b (2x -1)^3 = 3^3
=> 2x - 1 = 3
2x = 4
x = 2
\(\left(3x+1\right)^3=1000\)
\(\left(3x+1\right)^3=10^3\)
\(\Rightarrow3x+1=10\)
\(3x=10-1\)
\(3x=9\)
\(x=9:3\)
\(x=3\)
\(\left(2x-1\right)^3=27\)
\(\left(2x-1\right)^3=3^3\)
\(\Rightarrow2x-1=3\)
\(2x=3+1\)
\(2x=4\)
\(x=4:2\)
\(x=2\)
(3x+1)3=1000
=> 3x+1=1
3x=1-1
3x=0
=> x = 0
(2x-1)3=27
=> 2x-1 = 3
2x = 3-1
2x = 2
x = 2:2
x = 1
