Question 171203
1. common factors 1st __ -8(x^2-4)


difference of squares __ -8(x+4)(x-4)



2. factors of 3 and -10 that "combine" to give 13 __ (3x-2)(x+5)



3. factors of 5 and -4 that "combine" to give -19 __ (5x+1)(x-4)