Factoring Trinomials

Factor:
 b² + 8b + 7

• (b + 4)(b + 3)
• (b + 6)(b + 1)
• (b + 7)(b +1)
• prime

Factor:
 x² - 4x + 24

• prime
• (x + 6)(x - 4)
• (x - 8)(x - 3)
• (x - 12)(x - 2)

Factor:
 x² - 15x + 50

• (x - 10)(x - 15)
• (x - 10)(x - 5)
• (x - 25)²
• (x - 5)²

Factor:
 n² + 10n + 25

• (n + 5)(n - 5)
• (n + 25)(n + 1)
• (n - 5)²
• (n + 5)²

Factor:  -4 + x^{2
HINT - Rearrange the problem}

• (2 + x)(2 - x)
• (-2 + x)(2 - x)
• 4(x + 1)(x - 1)
• (x + 2)(x - 2)

Factor
n² + 16n + 63

• (n-7)(n+4)
• (n+7)(n-9)
• (n-3)(n-10)
• (n+7)(n+9)

Which is a common factor of 12x and 27?

• x

• 12

• 3

• 9

Factor out the GCF:
10x³ - 15x

• x(10x² - 15)
• 5x(2x² - 3)
• 5(2x³ - 3x)
• 5x²(10x - 3)

Factor
x² + 3x + 2

• (x + 2)(x + 1)
• (x + 3)(x - 1)
• (x + 3)(x + 1)
• (x - 3)(x + 1)

Factor:  m² - 441

• (m - 21)²
• (m + 21)(m - 21)
• (m + 21)²
• correct answer not given