GCF Dots Am

Factor by GCF:
56a³ - 8a

• 8a²(56a³-8a)

• 8a(7a²-1)

• 8a(7a³-a)

• 8a²(35a²-a)

Factor:x² - 25

• ( x + 5 ) ( x - 5 ) 

• ( x - 5 ) ( x - 5 ) 

• ( x + 5 ) ( x + 5 ) 

• Prime

What are the factors of
25x² - 81?

• (5x - 9)(5x + 9)

• (5x - 9)(5x - 9)

• (5x + 9)(5x + 9)

• Cannot be factored

What is the GCF of the trinomial?
3x² - 9x -120

• 3

• 2

• 6

• 9

Factor Completely: 
x⁴-9x²
Hint: Factor GCF first. 

• x²(x+3)(x-3)

• (x²+3x)(x²-3x)

• (x²+9)(x-3)(x+3)

• x²(x²-9)

Factor Completely: 
3x⁵ - 27x³
Hint: Factor GCF first. 

• 3(x³ - 3)(x² + 3)

• prime

• 3x³(x² - 9)

• 3x³(x - 3)(x + 3)

Factor Completely: 
2c² + 4c - 84
Hint: Factor GCF first.

• (c-6)(2c+14)

• (c+7)(2x-12)

• (c-4)(2c+21)

• 2(c+7)(c-6)

Factor by DOTS:
x² - 25

• ( x + 5 ) ( x - 5 ) 

• ( x - 5 ) ( x - 5 ) 

• ( x + 5 ) ( x + 5 ) 

• Prime

Factor the Trinomial (GCF first):
7x² + 14x - 21

• Prime

• 7(x - 3) (x + 1)

• 7(x - 1) (x + 3)

• (7x +1)(x - 3)