Equacions de 2n grau

• x = 9

• x = 8

• x = 9 i x = -9

• x = 8 i x = -8

• x = 3

• x = -3

• x = 3 i x = -3

• x = 9

• x = 4

• x = -4

• x = 4 i x = -4

• x = 2 i x = -2

• x = 8 i x = -8

• x = 16 i x = -16

• x = 4 i x = -4

• x = 0 i x = 4

• x = 4 i x = -4

• x = 0

• x = 1 i x = 4

• x = 0 i x = 9

• x = 5 i x = -5

• x = 0 i x = 5

• x = 0 i x = -5

• x = 0 i x = 2

• x = 0 i x = -2

• x = 1 i x = -2

• x = 2 i x = 4

• x = 4 i x = -2

• x = 4 i x = 2

• x = -4 i x = -2

• x = -4 i x = 2

• x = 5/2 i x = -2

• x = -5/2 i x = 2

• x = 3/2 i x = -2

• x = 2 i x = 3/2

• x = 1 i x = 2

• x = 1 i x = -2

• x = 1 i x = -2/5

• x = 1 i x = 2/5