Polynomial Factoring

Which one of these is a factor of 8x³ - 1

• (2x - 1)

• (4x² - 2x + 1)

• (2x² + 2x - 1)

• (2x + 1)

Which one of these is a factor of 27x³ + 8

• (9x² - 6x + 4)

• (9x + 2)

• (3x²+4)

• (x² - 216x + 64)

Which one of these is a factor of p³ - 3p² - 16p + 48

• (p+3)

• (p -2)

• (p + 4)

• (p-16)

Which one of these is a factor of  $a^4-a^2-12$  

• (a - 2)

• (a² +4)

• (a² + 2)

• (a² - 3)

Factor 3x² - 75

• 3( x + 5 ) ( x - 5 )

• Cannot be factored

• ( x + 5 ) ( x - 5 )

• 3( x - 5 ) ( x - 5 )