## Elementary Algebra

2$y^{2}$ - 54y + 18
6($y^{2}$ - 7y - 3) - 4($y^{2}$ + 3y - 9) = Use the distributive property to remove round brackets. 6$y^{2}$ - 42y - 18 - 4$y^{2}$ - 12y + 36 Group similar terms. (6$y^{2}$ - 4$y^{2}$) + (-42y - 12y) + (-18 + 36) = 2$y^{2}$ - 54y + 18