The expression below is a sum of cubes.

64x^3 + 125

A. True

B. False

So far i have the entire cube written out as its shown below

(4x + 5) ( 4x^2 + **?x** + 25)

So... ill like to know what do i do to get the middle part of the cube and to know if what i even did is correct...

CreatorRozen Oct 3, 2019

#1

#2**+1 **

Ah, now i see...

Thanks EP

btw for the middle number AB in red im assuming you Multiply (A+B) to get the AB?

if not... then i might be a bit confused

CreatorRozen
Oct 3, 2019