solve for (3x+4)³
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Answers
Answered by
2
3x−4)
3
−(x+1)
3
=
189
61
Applying Compounding and Dividendo ,we get,
=>
(3x−4)
3
−(x+1)
3
+(3x+4)
3
+(x+1)
3
(3x−4)
3
−(x+1)
3
+(3x+4)
3
+(x+1)
3
=
61−189
61+189
=>
−2(x+1)
3
2(3x−4)
3
=
−128
200
=
64
125
=>
(x+1)
3
(3x−4)
3
=
64
125
=>
(x+1)
3
(3x−4)
3
=
4
3
5
3
∴3x−4=5 =>x+1=4
=>x=
3
9
=>x=3
=>x=3
∴x=3
Answered by
13
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