Question

find the value of (5x)³,when x = -2/5

Answer 1

=(5 *.(-2/5))3

=5 cube * -2*-2*-2/5*5*5

=125*-8/125

=-8

here is ur answer -8

Answer 2

x = -2/5

So,

(5x)^3 = (5×-2/5)^3

= (-2)^3

= (-2)×(-2)×(-2)

= -8

Hope the answer is helpful !!

Good Day !!