Question

find x³+18 when the value of x is 5

Answer 1

Answer:

${5}^{3} + 18 = 125 + 18 \\ = 143$

Answer 2

Answer:

we have,

x=5

then,

x^3=27

therefore,

x^3+18=27+18

=45

therefore,the value x^3+18 when x =5 is 45