## Elementary Algebra

3$y^{2}$ + 11y - 9
(7$y^{2}$ + 9y - 3) - (4$y^{2}$ - 2y + 6) = Use the distributive property: 7$y^{2}$ + 9y - 3 - 4$y^{2}$ + 2y - 6 = Group similar terms. (7$y^{2}$ - 4$y^{2}$) + (9y + 2y) + (-3 - 6) = Simplify. 3$y^{2}$ + 11y - 9