Factor:
x2 - x - 12
x = 2, x = 9
x2 - 11x + 18
(x - 9)(x + 17)
Factor:
3x2 + 12
3(x2 + 4)
Factor and solve for x:
x2 -7x + 10 = 0
Solve for x: x = 5, x = 2
x = -1/2, x = 2/3
x2 - (1/6)x - 1/3
70
(x - 8)(2x - 7) = 0
Factor and solve for x:
x2 - 16 = 0
Solve for x: x = 4, x = -4
Factor:
4x2 - 13x + 3
x = -4, x = 7
x2 - 3x - 28
x(x - 6) = 0
Factor and solve for x:
4x2 + 3x = 0
Solve for x: x = 0, x = -3/4
Factor and solve for x:
3x2 - 5x - 2 = 0
Solve for x: x = -1/3, x = 2
x = 14, x = -14
x2-196
Solve for x:
x/(x - 1) = 6/(x + 1)
Solve for x:
x2 - x - 72 = 0
Factor:
12x2y2 - 8xy2
4xy2(3x - 2x) = 4xy2(x) = 4x2y2
Factor and solve for x:
x(x + 3) = 2(x + 15)
Solve for x: x = -5, x = 6
x = 3
(*hint: a quadratic doesn't have to have two roots, it can have the same root)
(x - 3)(x - 3) or (x - 3)2
2.) Factor the quadratic equation
3.) Set the first factor equal to 0 and solve for x
4.) Set the second factor equal to 0 and solve for x
5.) Check your work
Solve for x:
(x - 152)2 = 0
Factor:
4x2 - 9