Factoring and Radical

Complete the formula
a³-b³=

• (a-b)(a²+ab+b²)

• (a+b)(a²-ab+b²)

• (a-b)(a²-ab+b²)

• (a+b)(a²+ab+b²)

Factor the following binomial: 8x³-27

• (2x+3)(4x²-6x+9)

• (2x-3)(4x²+6x+9)

• (2x-3)(4x²+6x-9)

• (2x-3)(2x²+6x+9)

Factor this difference of cubes:

x³ - 343

x² - 25

Factor:
x² - 16

• Prime

• ( x - 4) ( x + 4) 

• ( x - 8) ( x + 8) 

• ( x - 4) ( x - 4) 

Factor, if possible: 4x²+36x+81

Simplify √24

• 4√6

• 2√6

• 6√2

• 2√12

Simplify √169

• √13

• 13

Simplify: √72

• 7√9

• 4√6

• 6√2

• 3√4

Simplify √18

• 3√2

• 9√2

• 3√9

• 2√3