whats the answer for 2y*+2=9y
2 = 9y - 2y2 = 7y2/7 = yy = 2/7
i hope this helps you 2y^2+2=9y2y^2-9y+2=0ax^2+bx+c=0disctirminant =b^2-4acdisctirminant =(-9)^2-4.2.2disctirminant =81-16disctirminant =65x,x'=-b+(-)square root of disctirminant /2ax=9+square root of 65/4x'=9-square root of 65/4.
