Question

3x^4 - 24x^2 + 48
Factor
Please show all work.

Answer 1

First factor out the common factor 3

Answer 2

3(x^4 - 8x^2 +16)

Answer 3

Now split middle \(-8x^2=-4x^2-4x^2\)

Answer 4

3(x^4 - 4x^2 - 4x^2 + 16)

Answer 5

3(x^2(x^2-4)-4(x^2-4)) ?