Quiz: factoring

Factor:

4x² - 25

• (2x + 5) (2x - 5)

• (2x - 5)²

• (2x + 5)²

• 2x + 5(2x - 5)

Factor:
x² + 7x - 30

• (x + 10)(x - 7)
• (x - 10)(x + 3)
• (x + 10)(x + 3)
• (x + 10)(x - 3)

Factor completely.
3x² - 9x -120

• 3(x - 8)(x + 5)
• 3(x + 8)(x - 5)
• (3x + 8)(x - 5)
• (3x - 8)(x + 5)

Factor completely:
 3x² + 5x - 12

• (3x + 4)(x-3)
• (3x - 4)(x + 3)
• (3x + 3)(x -4)
• (3x - 3)(x + 4)

Factor completely: 3x² - 36x + 96

• (x-4)(x-8)

• 3(x-4)(x-8)

• 3(x+1)(x+32)

• 3(x-2)(x+16)

Solve for x:

x² + 7x = 30

• x = -10 or x = 7

• x = 10 or x = -3

• x = -10 or x = -3

• x = -10 or x = 3

Solve for n:

n² = 6 - 5n

• n = 2 or n = 3

• n = 1 or n = -6

• n = -1 or n = 6

• n = -2 or n = 3