Saved Bookmarks
| 1. |
2x2+4x +2=0 |
|
Answer» 2x2 + 4x + 2 = 02x2 + 2x + 2x + 2 = 02x(x + 1) + 2 (x + 1) = 0(2x + 2 )(x + 1)= 02x + 2 = 0 or x + 1 = 02x = - 2 or x = -1x = -1 -3/2 2(x+1)(x+1)&zero is -1 |
|