What is the factored form of 8x2 + 12x?
-4(4x2 + 8x)
-4x(2x + 3)
-8x(x + 4)
-8x(x2 + 4)
-4(4x2 + 8x)
-4x(2x + 3)
-8x(x + 4)
-8x(x2 + 4)