Factoring Out a Gcd

Factor out the GCF

3x³ + 9x

• 3x (x² + 3)

• 3x ( x³ + 9)

• x (3x² + 9)

• 3x (x³ + 3x)

Factor out the GCF:
10x³ - 15x

• x(10x² - 15)

• 5x(2x² - 3)

• 5(2x³ - 3x)

• 5x²(10x - 3)

What is the GCF of the terms below?

• 8x

• 6x²

• 12x²

• 4x

• 12x³

What is the greatest common factor of 20a²b² and 50b³?

• 100a²b²

• 10b³

• 10ab²

• 10b²

Factor by GCF:

6m² + 16m

• 2(3m² + 8m)

• 2m(3m + 8)

• 2m(3m - 8m)

• Prime

Factor by GCF:

17xy - x

• 17(xy - x)

• y(17x - x)

• x(17y - 1)

• Prime

Factor using the GCF method
8r³ + 16r²

• 4r²(2r + 4)

• 8r²(r + 2)

• 8(r³ + r²)

• 4(r³ + 2r²)

What is the GCF?

5x² + 20x

• 5

• x

• 5x

• 20x

What is the GCF of 18k and 15k³

• 5k³

• 3k³

• 3k

• 5k