Question

5n cubed - 230 = 90please help . I don't understand.

Answer 1

So 5n^3 - 230=90 first you add 230 to both sides so you get 5n^3=320 than you divide 5 from both sides so you get n^3=64 so you take the cube root of both sides to get the answer... n=4

Answer 2

$5n^3-230=90$
$5n^3=320$
$n^3= \frac{320}{5}$
$n^3=64$
$n= \sqrt[3]{64}$
$n=4$