If z = 10, find the value of z 3 – 3(z – 10)

Question

Philoid · Accepted Answer

As z = 10

z³ - 3(z - 10)

= (10)³ - 3(10 - 10)

= 1000 - 3(0)

= 1000 - 0

= 1000

If z = 10, find the value of z3 – 3(z – 10)