GCF and Factoring a=1

What is the Greatest Common Factor of the following polynomial?
12t³ + 30t² + 48t

• 12t
• 6t³
• 6t
• 12t³

What is the GCF of 18k and 15k³

• 3k²
• 3k³
• 3k
• 5k

What is the GCF of the polynomial
24x⁹ - 36x⁶ + 60x³?

• 6x
• 6x³
• 24x⁹
• 24x

Convert x²-9x+20 to factored form and solve.

• (x-10)(x+2); x=-2, 10
• (x+4)(x+5); x=-5, -4
• (x-4)(x-5); x=4, 5
• Not factorable

• -4, 2
• -2, 4
• -16
• -4

• -2, 4
• -8
• ±8
• No real solution

Solve by factoring: x² + 3x - 18 = 0

• x = -3 and x = 6
• x = 3 and x = -6
• x = -9 and x = 2
• x = 9 and x = -2

Solve for a by factoring.

a² + 2a - 24 = 0

• a = -6 and a = 4

• a = 6 and a = -4

• a = 12 and a = -2

• a = 8 and a = -3