Solving by factoring test review bonus

Factor. 
y² - 81

• (y + 9)(y - 9)
• (y - 9)²
• (y - 9)(y² + 9y + 81)
• prime

Factor. 
25y² - 9

• (5y + 3)(5y - 3)
• (5y - 3)²
• (5y - 3)(25y² + 15y + 9)
• prime

Factor. 
x³ + 125

• (x + 5)(x² - 5x + 25)
• (x + 5)(x - 5)
• (x - 5)(x² + 5x + 1)
• prime

Solve: 14m²-12m = 0

• m=2 and m=76

• m=2 and m=0

• m=14 and m=12

• m=0 and m=6/7

Solve: 3x² - 3x = 0

• x = 0 and x = 3

• x = 0 and x = -1

• x = 0 and x = 1

• x = -3 and x = 3

Solve by factoring: 5x² + 13x + 6 = 0

• x = -2 and x = -3/5
• x = 2 and x = 3/5
• x = -2 and x = 3/5
• x = 2 and x = -3/5

Solve by factoring: 2x² - 5x - 12 = 0

• x = -4 and x = -6
• x = 4 and x = -3/2
• x = 4 and x = 6
• x = -4 and x = 3/2

Factor Completely:

x² - 36

• (x + 9)(x - 4)

• (x - 6)(x - 6)

• (x - 9)(x + 4)

• (x + 6)(x - 6)

Solve
a² + 2a - 24 = 0

• a = -6, 4
• a = 6, -4
• a = 12, -2
• a = 8, -3