Factorizing - first 4 method

Factor Completely
16x²-32x

• 8x(2x-4)
• 16(x²-2x)
• 16x(x-2)
• Prime

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

• 100a²b²
• 10b³
• 10ab²
• 10b²

Factor by Grouping:
7r³-8r²+42r-48

• (r²+6)(7r+8)
• (r²+6)(7r-8)
• (r²+6)(r²+8)
• (r²+6)(7r+6)

Factor by Grouping:
20x³-25x²+4x-5

• (5x²-5)(4x+1)
• 5(x²-1)(4x+5)
• (5x²+1)(4x-5)
• (5x²+1)(4x-1)

Factor by Grouping:
30x³+15x²-18x-9

• (5x²-3)(6x+1)
• (5x²-3)(6x+3)
• 3(5x²+3)(2x-1)
• 3(5x²-3)(2x+1)

Factor this trinomial:
x²+10x+16

• (x+2)(x+8)
• (x-2)(x-8)
• (x+1)(x+16)
• (x+6)(x+10)

Factor this trinomial:
k² - 2k - 24

• (k+4)(k+6)
• (k+4)(k-6)
• (k+6)(k-1)
• (k-4)(k+6)

Factor:
 2n²-8n³

• 2n²(n-4n²)
• 2n²(1-4n²)
• 2n³(10-8n²)
• 3n(1-4n)

Factor Completely:
2x² - 2x - 6

• 2(x + 3)(x - 1)
• 2(x + 2)(x - 3)
• 2(x² - x - 3)
• 2(x² - 2x - 6)

Factor:
p² - 14p

• p(1 - 14)
• 2p(p - 7)
• p²(1-14)
• p(p - 14)