SOLUTION: factor each expression: x^3 + 64

Question 119397: factor each expression:

x^3 + 64
Found 2 solutions by jim_thompson5910, checkley71:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Start with the given expression.

Rewrite as . Rewrite as .

Now factor by using the sum of cubes formula. Remember the sum of cubes formula is

Multiply

So factors to .

In other words,

Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
x^3+64
(x+4)(x^2-4x-16)

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