Factoring Review

Factor by GCF:
56a³-8a

• 8a²(56a³-8a)

• 8a(7a²-1)

• 8a(7a³-a)

• 8a²(35a²-a)

Factor by GCF
 2n²-8n³

• 2n²(n-4n²)

• 2n²(1-4n²)

• 2n³(10-8n²)

• 3n(1-4n)

Factor by GCF:
80x⁵-70x²-60x⁷

• 2x²(80x³-70-60x⁶)

• 10x²(80x⁴-70x-60x⁶)

• 10x²(8x³-7-6x⁶)

• 3x²(80x³-40-60x⁵)

Factor by GCF
4b⁵+4b³+16b²

• 4b³(b⁴+b²+4b)

• 4b³(b⁴+4b+5)

• 4(b⁵+b³+4b²)

• 4b²(b³+b+4)

6x⁵y⁴+24x⁶y²-36x³y^{3
Find the GCF}

• 6x³y²
• 6xy

Factor by GCF:
17xy - x

• 17(xy - x)
• y(17x - x)
• x(17y - 1)
• not factorable

Find the greatest common factor.
55a⁴b³+20a³b²-5a²b

• 5
• 5a²b
• 5ab²
• 5a⁶b³

Find the greatest common factor. 6x⁴y³-12x⁴y²+6x³y²

• 6
• 6xy
• 6x³y²
• 6x⁹y⁶

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

• 3
• 2
• 6
• 9

Factor by grouping
x³ - 4x² -4x + 16

• (x+4)(x+2)
• (x-4)(x² -4) 
• (x+4)(x² -4)
• (x-4)(x-2)