Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Try using (a+b+c) the whole cube....
0 0 0
it is in the form of (a+b+c)^3
formulae for (a+b+c)^3=a^3+b^3+c^3+3(a+b)(a+c)(b+c)
by comparing here a=3x,b=-2y,c=-4z
simplify it
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts