Zero product property

(x + 7)(x - 8) = 0

• x = 7, 8, -15
• x = -7, -8
• x = 7, -8
• x = -7, 8

a(a - 8) = 0

• a = 0, 8, 16
• a = 0, -8
• a = 0, 4
• a = 0, 8

5) (b - 5)(8b + 7) = 0

• b = 5, b = 0
• b = 5, b = -7/8
• b = 7/8, b = -5
• b = 0, b = 5

a² - 4 = 0

• ±1
• ±2
• ±3
• ±4

x² + 2x - 8 = 0

• x = 2, -4
• x = 4, -5
• x = 1, -3
• x = 3, -2

k² - 9k + 20 = 0

• k = 6 or k = 7
• k = 4 or k = 5
• k = 2 or k = 3
• k = 8 or k = 9

k² - 6k - 14 = -7

• k = 0
• k = 2
• k = 7 or k = -1
• k = 1

x² - x - 6 = -6

• x = -1,2
• x = -2,3
• x = -3,4
• x = 0,1

3v² + 30v + 69 = -6

• -3
• -5
• -2
• -4

2x² + 14x + 12 = 0

• -1, -6
• 3, 4
• 1, 6
• -2, -6