Me ayudan : )x2 - 121 = 0x2 = 812x2 - 4x = 05x2 - 125x = 0x2 - x = 0x2 - 100 = 0x2 = 2xx2 - 9x = 0x2 - 9 = 0x2 - 49x = 0?
Me ayudan : ) x2 - 121 = 0 x2 = 81 2x2 - 4x = 0 5x2 - 125x = 0 x2 - x = 0 x2 - 100 = 0 x2 = 2x x2 - 9x = 0 x2 - 9 = 0 x2 - 49x = 0.
