Solve by factoring
x2 - 13x + 30 = 0
x = 3, 10
Solve by taking the square root
x2 - 25 = 0
x = -5, 5
Solve using any method
x2 + 6x + 8 = 0
x = -2, -4
Solve by completing the square
x2 + 14x + 45 = 0
x = -5, -9
Solve using the quadratic formula
x2 + 9x + 14 = 0
x = -7, -2
Solve by factoring
x2 - 4x = -3
Solve by taking the square root
3x2 - 48 = 0
x = -4, 4
Solve using the any method
2x2 + 8x - 120 = 0
x = -10, 6
Solve by taking the completing the square
x2 - 8x - 63 = 21
x = -6, 14
Solve using the quadratic formula
3x2 - x - 4 = 0
x = -1, 4/3
Solve by factoring
3x2 - 48 = 0
x = -4, 4
Solve by taking the square root
7x2 - 1 = 20
x = -rad3, +rad3
Solve using any method
4x2 - 16x = 0
x = 0, 4
Solve by taking the completing the square
x2 + 8x - 9 = -16
x = -7, -1
Solve using the quadratic formula
8x2 = -14x -3
x = -3/2, -1/4
Solve by factoring
10x2 = -6x
x = -3/5 , 0
Solve by taking the square root
16x2 + 4 = 8
x = -1/2, 1/2
Solve using any method
4x2 - 16 = 0
x = -2, 2
Solve by taking the completing the square
x2 + 10x + 30 = -3
No solution
Solve using the quadratic formula
-x2 + 6x = 2
3 + rad7
3 - rad7
Solve by factoring
7x2 - 5x = x2 + 4
x = -1/2, 4/3
Solve by taking the square root
2x2 - 7 = 83
x = -3rad5, 3rad5
Solve using any method
2/3x^2-16=32
x =
+-6rad2
Solve by taking the completing the square
x2 - 22 = -3 + 4x
x = -3, 7
Solve using the quadratic formula
8x2 - 3 = 8x + 10
(2 +-rad30)/4