Question

If the edge of a cube is increased by 4 cm, its volume increases to 988 cms What is the actual edge length of each edge of the cube?​

Answer 1

Step-by-step explanation:

let the edge be x.

new edge:x+4

x+4^3-x^3=988

x^3+64-x^3=988

x^6=988-64

x^6=924

x=6√924