## Algebra: A Combined Approach (4th Edition)

2$y^{2}$ + y - 10
the translation is (7$y^{2}$ + 9y -8 ) - ( 5$y^{2}$ + 8y + 2) 7$y^{2}$ + 9y -8 + (- 5$y^{2}$ - 8y -2 ) add the opposite 7$y^{2}$ + 9y -8 - 5$y^{2}$ - 8y -2 7$y^{2}$ - 5$y^{2}$ + 9y - 8y - 8 -2 combine like terms 2$y^{2}$ + y - 10 simplfy