Factoring Review

Factor:
10x + 15

• 100x + 150
• 10(x + 5)
• 1(10x + 15)
• 5(2x + 3)

Factor by using GCF:
8n³ + 2n²

• 2n²(4n-1)
• 2n²(4n + 1)
• n²(8n+2)
• 3n(4n+1)

Factor out the GCF

3x³ + 9x

• 3x (x² + 3)

• 3x ( x³ + 9)

• x (3x² + 9)

• 3x (x³ + 3x)

Factor: x² - 25

• ( x + 5 ) ( x - 5 )

• ( x - 5 ) ( x - 5 )

• ( x + 25 ) ( x - 25 )

• Prime

Factor: 16x² - 1

• (3x+4)(3x-4)

• (4x+3)(4x-3)

• (4x+1)(4x-1)

• (5x+2)(5x-2)

Factor a²-b²

• (a-b)²

• (a-b)(a+b)

• not factorable

• a²b²

Factor 4y² – 9.

• (2y + 3)(2y – 3)
• prime
• (2y + 3)(2y + 3)
• (2y – 3)(2y – 3)

• (x+2)(x+4)

• (x-2)(x-4)

• x=2, x=4

• x= -2. x= -4

• Not Factorable