Factor out the greatest common factor (GCF) of 12x^3y and 16xy^2.
8xy
4xy
4x
12xy
What is the GCF of 25x^4 and 15x^2?
10x^2
15x^2
5x^4
5x^2
Factor x^2 + 8x
Factor 10x^2 - 5x
Factor x^3 + 3x + 4x + 12