Question 744202
How do you factor 4x^3 + 108

Factor:

4(x^3 + 27)

We can now factor (x^3 + 27) using the sum of cubes formula:

a^3 + b^3 = (a + b)(a^2 - ab + b^2)


Answer:

4(x + 3)(x^2 - 3x + 9)












Lennox Obuong
Algebra Tutor
Nairobi, Kenya
Email: obuong3@aol.com