Factor completely. Remember to always check for a GCF first! Some may be prime!1. 2y4 - 10y2 + 7y2 – 35 2. x2– 14x + 49 3. y2 – 25 4. 3x2 + x + 30x + 10 5. x2 + 16 6. 3x2 + 48x + 192 7. 4x3– 49x 8. x3– 27 9. z4- 81 10....