Solve for x: x3+72=32
6
5
-6
-5
Given, x3+72=32
Transposing 72 to RHS, we get
⇒ x3=32−72
⇒ x3=−42 ⇒ x3=−2
Multiplying both sides by 3, we get
x=−6
Rationalise the denominator and simplify
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)