Add. find the expression in standard form. (15y − 9 + 6y^2) + (10 − 5y) =

Wasnt sure if you were asking just for the standard form of that equation 
(15y − 9 + 6y^2) + (10 − 5y) = 0 ) or if you wanted the equation simplified and then in standard form ( 6y^2 + 10y + 1 = 6 ) so i did both