Review of Factoring

Factor x²-9

• (x-3)(x-3)
• (x+3)(x-3)
• (x+9)(x-9)
• (x²+3)(x-3)

Tags

CCSS.HSA.SSE.A.2

Factor x²+4x-21

• (x+7)(x-3)
• (x+3)(x-7)
• (x+4)(x+5)
• Prime

Factor x²+10x+25

• (x-5)(x-5)

• (x+5)(x-5)

• (x+10)(x+6)

• $\left(x+5\right)^2$

Factor 2x²-3x-20

• (2x+5)(x-4)
• (x+5)(x-4)
• (2+10x)(2-7x)
• 2(x+4)

Factor completely: 4x²-8x

• 4x

• 4x(x-2)

• (4x-2)(x+6)

• x(4x-8)

Factor completely: 16x⁴ - 81

• (4x² - 9)(4x²+ 9)

• (2x + 3)(2x - 3)(4x² + 9)

• (2x - 3)² (2x + 3)²

• (4x - 9)(4x + 9)

Which is a factor of : 3x² - 5x - 8

• (3x - 1)

• (3x + 8)

• (3x + 1)

• (3x - 8)

2x² - 10x + 12

• 2(x - 3)(x - 2)
• 2(x - 6)(x + 1)
• (2x - 4)(x - 3)
• (2x + 2)(x - 6)

What is a factor of the following quadratic: 5x² - 19x + 12? Select all that apply.

• $(5x-4)$

• $\left(x-4\right)$

• $\left(5x-3\right)$

• $\left(x-3\right)$

Factor:
 $14x-2x^2$  

•  $2\left(7x-x^2\right)$  

•  $2x(x-7)$  

•  $x\left(14-2x\right)$  

•  $-2x\left(x-7\right)$