Chapter 5 Pretest. Factor each of the following completely. 1. 20 5xy 2 ( ) 5 5 x 6 – 3 4 1. GCF = 5 x7x7 y2y2 – 15 x y2y2 x y 2 xy 2 xy 2.
Simplify by combining like terms: 1. (5x 3 – 3x) + (8x 3 + 4x) = 2. (4y 3 + 8xy) – (3xy + 9y 3 )= 3. (5x 3 – 2y 3 ) – (5y 3 + 6x 3 )= 13x 3 + x -5y 3 +
